From 21d1b62a0b84b502d2cf12674b3d141994a3ffd4 Mon Sep 17 00:00:00 2001
From: Brad Zacher <brad.zacher@gmail.com>
Date: Sat, 22 May 2021 17:13:28 -0700
Subject: [PATCH] feat(typescript-estree): [TS4.3] support overrides on class
 members (#3429)

---
 .../ast-spec/src/base/ClassPropertyBase.ts    |   1 +
 .../ast-spec/src/base/MethodDefinitionBase.ts |   1 +
 ...abstract-class-with-override-method.src.ts |   3 +
 ...stract-class-with-override-property.src.ts |   3 +
 .../basics/class-with-override-method.src.ts  |   5 +
 .../class-with-override-property.src.ts       |   3 +
 packages/typescript-estree/src/convert.ts     |   3 +
 .../tests/ast-alignment/utils.ts              |  14 +
 .../semantic-diagnostics-enabled.test.ts.snap |   8 +
 .../__snapshots__/semanticInfo.test.ts.snap   |   1 +
 ...export-default-anonymous-class.src.js.shot |   1 +
 .../class-accessor-properties.src.js.shot     |   2 +
 .../class-computed-static-method.src.js.shot  |   1 +
 .../class-method-named-prototype.src.js.shot  |   1 +
 .../class-method-named-static.src.js.shot     |   1 +
 .../class-method-named-with-space.src.js.shot |   1 +
 .../class-one-method-super.src.js.shot        |   1 +
 .../classes/class-one-method.src.js.shot      |   1 +
 ...-static-method-named-prototype.src.js.shot |   1 +
 ...ass-static-method-named-static.src.js.shot |   1 +
 .../classes/class-static-method.src.js.shot   |   1 +
 ...ethods-and-accessor-properties.src.js.shot |   3 +
 ...ss-two-computed-static-methods.src.js.shot |   2 +
 ...o-methods-computed-constructor.src.js.shot |   2 +
 .../class-two-methods-semi.src.js.shot        |   2 +
 .../class-two-methods-three-semi.src.js.shot  |   2 +
 .../class-two-methods-two-semi.src.js.shot    |   2 +
 .../classes/class-two-methods.src.js.shot     |   2 +
 ...atic-methods-named-constructor.src.js.shot |   2 +
 ...ss-with-constructor-parameters.src.js.shot |   1 +
 ...ss-with-constructor-with-space.src.js.shot |   1 +
 .../class-with-constructor.src.js.shot        |   1 +
 ...valid-class-setter-declaration.src.js.shot |   1 +
 .../class-constructor.src.js.shot             |   1 +
 .../defaultParams/class-method.src.js.shot    |   1 +
 ...class-constructor-params-array.src.js.shot |   1 +
 ...structor-params-defaults-array.src.js.shot |   1 +
 ...tructor-params-defaults-object.src.js.shot |   1 +
 ...lass-constructor-params-object.src.js.shot |   1 +
 .../class-method-params-array.src.js.shot     |   1 +
 ...s-method-params-defaults-array.src.js.shot |   1 +
 ...-method-params-defaults-object.src.js.shot |   1 +
 .../class-method-params-object.src.js.shot    |   1 +
 .../directives/directive-in-class.src.js.shot |   4 +
 .../async-generator-method.src.js.shot        |   1 +
 .../restParams/class-constructor.src.js.shot  |   1 +
 .../restParams/class-method.src.js.shot       |   1 +
 ...lass-with-abstract-constructor.src.ts.shot |   1 +
 ...act-class-with-abstract-method.src.ts.shot |   1 +
 ...class-with-abstract-properties.src.ts.shot |   2 +
 ...ith-abstract-readonly-property.src.ts.shot |   1 +
 ...th-abstract-static-constructor.src.ts.shot |   1 +
 ...-class-with-declare-properties.src.ts.shot |   5 +
 ...act-class-with-optional-method.src.ts.shot |   1 +
 ...act-class-with-override-method.src.ts.shot | 396 +++++++++++++++++
 ...t-class-with-override-property.src.ts.shot | 393 +++++++++++++++++
 ...s-with-accessibility-modifiers.src.ts.shot |   4 +
 ...-with-constructor-and-modifier.src.ts.shot |   2 +
 ...th-constructor-and-return-type.src.ts.shot |   2 +
 ...onstructor-and-type-parameters.src.ts.shot |   2 +
 .../class-with-declare-properties.src.ts.shot |   7 +
 ...class-with-definite-assignment.src.ts.shot |   1 +
 ...th-export-parameter-properties.src.ts.shot |   1 +
 ...ss-with-generic-method-default.src.ts.shot |   1 +
 .../class-with-generic-method.src.ts.shot     |   1 +
 .../basics/class-with-method.src.ts.shot      |   3 +
 ...-with-optional-computed-method.src.ts.shot |   9 +
 ...ith-optional-computed-property.src.ts.shot |   1 +
 .../class-with-optional-methods.src.ts.shot   |   3 +
 ...class-with-optional-properties.src.ts.shot |   9 +
 ...th-optional-property-undefined.src.ts.shot |   1 +
 .../class-with-override-method.src.ts.shot    | 413 ++++++++++++++++++
 .../class-with-override-property.src.ts.shot  | 356 +++++++++++++++
 ...h-private-parameter-properties.src.ts.shot |   1 +
 .../class-with-property-function.src.ts.shot  |   2 +
 .../class-with-property-values.src.ts.shot    |   5 +
 ...protected-parameter-properties.src.ts.shot |   1 +
 ...th-public-parameter-properties.src.ts.shot |   1 +
 ...-readonly-parameter-properties.src.ts.shot |   1 +
 .../class-with-readonly-property.src.ts.shot  |   1 +
 ...th-static-parameter-properties.src.ts.shot |   1 +
 ...o-methods-computed-constructor.src.ts.shot |   2 +
 ...are-class-with-optional-method.src.ts.shot |   1 +
 .../basics/keyword-variables.src.ts.shot      |   4 +
 ...object-with-escaped-properties.src.ts.shot |   1 +
 .../type-assertion-in-method.src.ts.shot      |   2 +
 ...assertion-with-guard-in-method.src.ts.shot |   2 +
 .../basics/type-guard-in-method.src.ts.shot   |   2 +
 .../type-reference-comments.src.ts.shot       |   1 +
 ...orator-factory-instance-member.src.ts.shot |   1 +
 ...ecorator-factory-static-member.src.ts.shot |   1 +
 ...ssor-decorator-instance-member.src.ts.shot |   1 +
 ...cessor-decorator-static-member.src.ts.shot |   1 +
 ...orator-factory-instance-member.src.ts.shot |   1 +
 ...ecorator-factory-static-member.src.ts.shot |   1 +
 ...thod-decorator-instance-member.src.ts.shot |   1 +
 ...method-decorator-static-member.src.ts.shot |   1 +
 ...ameter-array-pattern-decorator.src.ts.shot |   1 +
 ...arameter-decorator-constructor.src.ts.shot |   1 +
 ...ator-decorator-instance-member.src.ts.shot |   1 +
 ...orator-decorator-static-member.src.ts.shot |   1 +
 ...eter-decorator-instance-member.src.ts.shot |   1 +
 ...ameter-decorator-static-member.src.ts.shot |   1 +
 ...meter-object-pattern-decorator.src.ts.shot |   1 +
 ...rameter-rest-element-decorator.src.ts.shot |   1 +
 ...orator-factory-instance-member.src.ts.shot |   2 +
 ...ecorator-factory-static-member.src.ts.shot |   2 +
 ...erty-decorator-instance-member.src.ts.shot |   2 +
 ...operty-decorator-static-member.src.ts.shot |   2 +
 ...type-parameters-in-constructor.src.ts.shot |   1 +
 ...mpty-type-parameters-in-method.src.ts.shot |   1 +
 .../module-with-default-exports.src.ts.shot   |   1 +
 .../nested-internal-module.src.ts.shot        |   1 +
 .../types/this-type-expanded.src.ts.shot      |   7 +
 .../typescript/types/this-type.src.ts.shot    |   1 +
 115 files changed, 1773 insertions(+)
 create mode 100644 packages/shared-fixtures/fixtures/typescript/basics/abstract-class-with-override-method.src.ts
 create mode 100644 packages/shared-fixtures/fixtures/typescript/basics/abstract-class-with-override-property.src.ts
 create mode 100644 packages/shared-fixtures/fixtures/typescript/basics/class-with-override-method.src.ts
 create mode 100644 packages/shared-fixtures/fixtures/typescript/basics/class-with-override-property.src.ts
 create mode 100644 packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-override-method.src.ts.shot
 create mode 100644 packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-override-property.src.ts.shot
 create mode 100644 packages/typescript-estree/tests/snapshots/typescript/basics/class-with-override-method.src.ts.shot
 create mode 100644 packages/typescript-estree/tests/snapshots/typescript/basics/class-with-override-property.src.ts.shot

diff --git a/packages/ast-spec/src/base/ClassPropertyBase.ts b/packages/ast-spec/src/base/ClassPropertyBase.ts
index 8ac19b05fa5..7717e02c4ca 100644
--- a/packages/ast-spec/src/base/ClassPropertyBase.ts
+++ b/packages/ast-spec/src/base/ClassPropertyBase.ts
@@ -21,6 +21,7 @@ interface ClassPropertyBase extends BaseNode {
   optional?: boolean;
   definite?: boolean;
   typeAnnotation?: TSTypeAnnotation;
+  override?: boolean;
 }
 
 export interface ClassPropertyComputedNameBase extends ClassPropertyBase {
diff --git a/packages/ast-spec/src/base/MethodDefinitionBase.ts b/packages/ast-spec/src/base/MethodDefinitionBase.ts
index fe884606210..afdea67bcd7 100644
--- a/packages/ast-spec/src/base/MethodDefinitionBase.ts
+++ b/packages/ast-spec/src/base/MethodDefinitionBase.ts
@@ -21,6 +21,7 @@ interface MethodDefinitionBase extends BaseNode {
   decorators?: Decorator[];
   accessibility?: Accessibility;
   typeParameters?: TSTypeParameterDeclaration;
+  override?: boolean;
 }
 
 export interface MethodDefinitionComputedNameBase extends MethodDefinitionBase {
diff --git a/packages/shared-fixtures/fixtures/typescript/basics/abstract-class-with-override-method.src.ts b/packages/shared-fixtures/fixtures/typescript/basics/abstract-class-with-override-method.src.ts
new file mode 100644
index 00000000000..e6cecdc5ab8
--- /dev/null
+++ b/packages/shared-fixtures/fixtures/typescript/basics/abstract-class-with-override-method.src.ts
@@ -0,0 +1,3 @@
+abstract class SpecializedComponent extends SomeComponent {
+  abstract override show();
+}
diff --git a/packages/shared-fixtures/fixtures/typescript/basics/abstract-class-with-override-property.src.ts b/packages/shared-fixtures/fixtures/typescript/basics/abstract-class-with-override-property.src.ts
new file mode 100644
index 00000000000..8839340d7aa
--- /dev/null
+++ b/packages/shared-fixtures/fixtures/typescript/basics/abstract-class-with-override-property.src.ts
@@ -0,0 +1,3 @@
+abstract class SpecializedComponent extends SomeComponent {
+  abstract override foo = 1;
+}
diff --git a/packages/shared-fixtures/fixtures/typescript/basics/class-with-override-method.src.ts b/packages/shared-fixtures/fixtures/typescript/basics/class-with-override-method.src.ts
new file mode 100644
index 00000000000..da3b89239d1
--- /dev/null
+++ b/packages/shared-fixtures/fixtures/typescript/basics/class-with-override-method.src.ts
@@ -0,0 +1,5 @@
+class SpecializedComponent extends SomeComponent {
+  override show() {
+      // ...
+  }
+}
diff --git a/packages/shared-fixtures/fixtures/typescript/basics/class-with-override-property.src.ts b/packages/shared-fixtures/fixtures/typescript/basics/class-with-override-property.src.ts
new file mode 100644
index 00000000000..fc5dc8e431b
--- /dev/null
+++ b/packages/shared-fixtures/fixtures/typescript/basics/class-with-override-property.src.ts
@@ -0,0 +1,3 @@
+class SpecializedComponent extends SomeComponent {
+  override foo = 1;
+}
diff --git a/packages/typescript-estree/src/convert.ts b/packages/typescript-estree/src/convert.ts
index 595d284237c..5dbce7bd52b 100644
--- a/packages/typescript-estree/src/convert.ts
+++ b/packages/typescript-estree/src/convert.ts
@@ -1094,6 +1094,7 @@ export class Converter {
           static: hasModifier(SyntaxKind.StaticKeyword, node),
           readonly: hasModifier(SyntaxKind.ReadonlyKeyword, node) || undefined,
           declare: hasModifier(SyntaxKind.DeclareKeyword, node),
+          override: hasModifier(SyntaxKind.OverrideKeyword, node),
         });
 
         if (node.type) {
@@ -1209,6 +1210,7 @@ export class Converter {
             computed: isComputedProperty(node.name),
             static: hasModifier(SyntaxKind.StaticKeyword, node),
             kind: 'method',
+            override: hasModifier(SyntaxKind.OverrideKeyword, node),
           });
 
           if (node.decorators) {
@@ -1295,6 +1297,7 @@ export class Converter {
           computed: false,
           static: isStatic,
           kind: isStatic ? 'method' : 'constructor',
+          override: false,
         });
 
         const accessibility = getTSNodeAccessibility(node);
diff --git a/packages/typescript-estree/tests/ast-alignment/utils.ts b/packages/typescript-estree/tests/ast-alignment/utils.ts
index 99956cb694f..67a4c2db67a 100644
--- a/packages/typescript-estree/tests/ast-alignment/utils.ts
+++ b/packages/typescript-estree/tests/ast-alignment/utils.ts
@@ -165,6 +165,13 @@ export function preprocessBabylonAST(ast: BabelTypes.File): any {
           node.type = AST_NODE_TYPES.TSAbstractMethodDefinition;
           delete node.abstract;
         }
+        /**
+         * TS 4.3: overrides on class members
+         * Babel doesn't ever emit a false override flag
+         */
+        if (node.override == null) {
+          node.override = false;
+        }
       },
       ClassProperty(node) {
         /**
@@ -183,6 +190,13 @@ export function preprocessBabylonAST(ast: BabelTypes.File): any {
         if (!node.declare) {
           node.declare = false;
         }
+        /**
+         * TS 4.3: overrides on class members
+         * Babel doesn't ever emit a false override flag
+         */
+        if (node.override == null) {
+          node.override = false;
+        }
       },
       TSExpressionWithTypeArguments(node, parent: any) {
         if (parent.type === AST_NODE_TYPES.TSInterfaceDeclaration) {
diff --git a/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap b/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap
index 641c388c3ef..b8cf71c020c 100644
--- a/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap
+++ b/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap
@@ -1679,6 +1679,10 @@ exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" e
 
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/abstract-class-with-optional-method.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
 
+exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/abstract-class-with-override-method.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
+
+exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/abstract-class-with-override-property.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
+
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/abstract-interface.src 1`] = `
 TSError {
   "column": 7,
@@ -1800,6 +1804,10 @@ exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" e
 
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/class-with-optional-property-undefined.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
 
+exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/class-with-override-method.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
+
+exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/class-with-override-property.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
+
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/class-with-private-parameter-properties.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
 
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/class-with-property-function.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
diff --git a/packages/typescript-estree/tests/lib/__snapshots__/semanticInfo.test.ts.snap b/packages/typescript-estree/tests/lib/__snapshots__/semanticInfo.test.ts.snap
index c826bde0fba..0fe1c5a0c57 100644
--- a/packages/typescript-estree/tests/lib/__snapshots__/semanticInfo.test.ts.snap
+++ b/packages/typescript-estree/tests/lib/__snapshots__/semanticInfo.test.ts.snap
@@ -1286,6 +1286,7 @@ Object {
                 "line": 4,
               },
             },
+            "override": false,
             "range": Array [
               39,
               56,
diff --git a/packages/typescript-estree/tests/snapshots/comments/export-default-anonymous-class.src.js.shot b/packages/typescript-estree/tests/snapshots/comments/export-default-anonymous-class.src.js.shot
index bd0189e05aa..dbeef2b24f9 100644
--- a/packages/typescript-estree/tests/snapshots/comments/export-default-anonymous-class.src.js.shot
+++ b/packages/typescript-estree/tests/snapshots/comments/export-default-anonymous-class.src.js.shot
@@ -38,6 +38,7 @@ Object {
                   "line": 8,
                 },
               },
+              "override": false,
               "range": Array [
                 103,
                 119,
diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-accessor-properties.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-accessor-properties.src.js.shot
index fdacdc91cbd..62aadc15acb 100644
--- a/packages/typescript-estree/tests/snapshots/javascript/classes/class-accessor-properties.src.js.shot
+++ b/packages/typescript-estree/tests/snapshots/javascript/classes/class-accessor-properties.src.js.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 1,
               },
             },
+            "override": false,
             "range": Array [
               9,
               18,
@@ -115,6 +116,7 @@ Object {
                 "line": 1,
               },
             },
+            "override": false,
             "range": Array [
               19,
               29,
diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-computed-static-method.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-computed-static-method.src.js.shot
index 930ca6d8259..5871d6c60c9 100644
--- a/packages/typescript-estree/tests/snapshots/javascript/classes/class-computed-static-method.src.js.shot
+++ b/packages/typescript-estree/tests/snapshots/javascript/classes/class-computed-static-method.src.js.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 1,
               },
             },
+            "override": false,
             "range": Array [
               9,
               23,
diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-prototype.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-prototype.src.js.shot
index 1bea3845235..c1ee0b82f95 100644
--- a/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-prototype.src.js.shot
+++ b/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-prototype.src.js.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 1,
               },
             },
+            "override": false,
             "range": Array [
               9,
               22,
diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-static.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-static.src.js.shot
index 3283a8722a7..9b70760930b 100644
--- a/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-static.src.js.shot
+++ b/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-static.src.js.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 1,
               },
             },
+            "override": false,
             "range": Array [
               9,
               19,
diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-with-space.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-with-space.src.js.shot
index f13e2fabc21..9e9a41ba326 100644
--- a/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-with-space.src.js.shot
+++ b/packages/typescript-estree/tests/snapshots/javascript/classes/class-method-named-with-space.src.js.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 1,
               },
             },
+            "override": false,
             "range": Array [
               9,
               24,
diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-one-method-super.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-one-method-super.src.js.shot
index 7c807720ef8..1f39c557998 100644
--- a/packages/typescript-estree/tests/snapshots/javascript/classes/class-one-method-super.src.js.shot
+++ b/packages/typescript-estree/tests/snapshots/javascript/classes/class-one-method-super.src.js.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               41,
diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-one-method.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-one-method.src.js.shot
index 97a6831a8da..ed28bce4faa 100644
--- a/packages/typescript-estree/tests/snapshots/javascript/classes/class-one-method.src.js.shot
+++ b/packages/typescript-estree/tests/snapshots/javascript/classes/class-one-method.src.js.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               19,
diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method-named-prototype.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method-named-prototype.src.js.shot
index eddc8fae7c6..4f725a4e536 100644
--- a/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method-named-prototype.src.js.shot
+++ b/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method-named-prototype.src.js.shot
@@ -38,6 +38,7 @@ Object {
                 "line": 1,
               },
             },
+            "override": false,
             "range": Array [
               9,
               33,
diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method-named-static.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method-named-static.src.js.shot
index a0303a971a1..b1756b4818d 100644
--- a/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method-named-static.src.js.shot
+++ b/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method-named-static.src.js.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 1,
               },
             },
+            "override": false,
             "range": Array [
               9,
               26,
diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method.src.js.shot
index 52fe0b94216..1cf9872e589 100644
--- a/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method.src.js.shot
+++ b/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-method.src.js.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 1,
               },
             },
+            "override": false,
             "range": Array [
               9,
               21,
diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-methods-and-accessor-properties.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-static-methods-and-accessor-properties.src.js.shot
index ba34c36db88..0dda0b03089 100644
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index 9e09fb35659..f99bd40eb6c 100644
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diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-two-methods-computed-constructor.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-two-methods-computed-constructor.src.js.shot
index c900a7f0214..e104bce8c44 100644
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diff --git a/packages/typescript-estree/tests/snapshots/javascript/classes/class-two-methods-semi.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/classes/class-two-methods-semi.src.js.shot
index fc9e5c7b6fc..6c78f574166 100644
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index 4d828525642..5060c0584f9 100644
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index f1d6ca4f90e..aeb53db1865 100644
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index dadd1248852..b8be5d7f17c 100644
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index af33584684a..e736c7d3cc9 100644
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index 4193a686d1c..1356638c862 100644
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index b40e348d921..150efc9e0ac 100644
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index f064c5f7629..8b505ede615 100644
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index 4a29a98df2d..a0f0e8f243e 100644
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index 04c43442406..e826cfb92f9 100644
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index 81adc793209..1ce60cf6afe 100644
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diff --git a/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-constructor-params-defaults-array.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-constructor-params-defaults-array.src.js.shot
index 06c6a6c36ba..31e9b9c678e 100644
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diff --git a/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-constructor-params-defaults-object.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-constructor-params-defaults-object.src.js.shot
index 37d5fc8f72e..2fac40a2301 100644
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diff --git a/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-constructor-params-object.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-constructor-params-object.src.js.shot
index 058e26e7c07..2ce4b20aef5 100644
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diff --git a/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-method-params-array.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-method-params-array.src.js.shot
index a592ad53b5e..0788bd3e590 100644
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index cb85570c27a..09a9336e202 100644
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diff --git a/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-method-params-defaults-object.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-method-params-defaults-object.src.js.shot
index 44a00400bfb..bc5f1596e9b 100644
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diff --git a/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-method-params-object.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/destructuring/class-method-params-object.src.js.shot
index 439a20f2583..3916e252351 100644
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diff --git a/packages/typescript-estree/tests/snapshots/javascript/directives/directive-in-class.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/directives/directive-in-class.src.js.shot
index 5cd2bc9958d..65f9143603d 100644
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diff --git a/packages/typescript-estree/tests/snapshots/javascript/generators/async-generator-method.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/generators/async-generator-method.src.js.shot
index 9a90f9b39a6..9789490921d 100644
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index bc5b0a73ebd..6a702c70065 100644
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diff --git a/packages/typescript-estree/tests/snapshots/javascript/restParams/class-method.src.js.shot b/packages/typescript-estree/tests/snapshots/javascript/restParams/class-method.src.js.shot
index d3e04abe08b..9a269121cc6 100644
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-abstract-constructor.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-abstract-constructor.src.ts.shot
index 89c324ae044..8a5a6c7e8c6 100644
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index 5852f8937d0..7604195da3a 100644
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-abstract-properties.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-abstract-properties.src.ts.shot
index 866a63383cb..8c70b312e05 100644
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index d33336454ef..44ba579e1f7 100644
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index 7e580cca84c..6b0c9419bdf 100644
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-declare-properties.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-declare-properties.src.ts.shot
index 0bdd47c223e..d6ebb066f30 100644
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               180,
               227,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-optional-method.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-optional-method.src.ts.shot
index 1cf4f4e8f16..4c8d959632f 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-optional-method.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-optional-method.src.ts.shot
@@ -40,6 +40,7 @@ Object {
                 },
               },
               "optional": true,
+              "override": false,
               "range": Array [
                 43,
                 76,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-override-method.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-override-method.src.ts.shot
new file mode 100644
index 00000000000..32e9b1f0028
--- /dev/null
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-override-method.src.ts.shot
@@ -0,0 +1,396 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`typescript basics abstract-class-with-override-method.src 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "abstract": true,
+      "body": Object {
+        "body": Array [
+          Object {
+            "computed": false,
+            "key": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 24,
+                  "line": 2,
+                },
+                "start": Object {
+                  "column": 20,
+                  "line": 2,
+                },
+              },
+              "name": "show",
+              "range": Array [
+                80,
+                84,
+              ],
+              "type": "Identifier",
+            },
+            "kind": "method",
+            "loc": Object {
+              "end": Object {
+                "column": 27,
+                "line": 2,
+              },
+              "start": Object {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "override": true,
+            "range": Array [
+              62,
+              87,
+            ],
+            "static": false,
+            "type": "TSAbstractMethodDefinition",
+            "value": Object {
+              "async": false,
+              "body": null,
+              "expression": false,
+              "generator": false,
+              "id": null,
+              "loc": Object {
+                "end": Object {
+                  "column": 27,
+                  "line": 2,
+                },
+                "start": Object {
+                  "column": 24,
+                  "line": 2,
+                },
+              },
+              "params": Array [],
+              "range": Array [
+                84,
+                87,
+              ],
+              "type": "TSEmptyBodyFunctionExpression",
+            },
+          },
+        ],
+        "loc": Object {
+          "end": Object {
+            "column": 1,
+            "line": 3,
+          },
+          "start": Object {
+            "column": 58,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          58,
+          89,
+        ],
+        "type": "ClassBody",
+      },
+      "id": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 35,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 15,
+            "line": 1,
+          },
+        },
+        "name": "SpecializedComponent",
+        "range": Array [
+          15,
+          35,
+        ],
+        "type": "Identifier",
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 1,
+          "line": 3,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        89,
+      ],
+      "superClass": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 57,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 44,
+            "line": 1,
+          },
+        },
+        "name": "SomeComponent",
+        "range": Array [
+          44,
+          57,
+        ],
+        "type": "Identifier",
+      },
+      "type": "ClassDeclaration",
+    },
+  ],
+  "comments": Array [],
+  "loc": Object {
+    "end": Object {
+      "column": 0,
+      "line": 4,
+    },
+    "start": Object {
+      "column": 0,
+      "line": 1,
+    },
+  },
+  "range": Array [
+    0,
+    90,
+  ],
+  "sourceType": "script",
+  "tokens": Array [
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 8,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        8,
+      ],
+      "type": "Identifier",
+      "value": "abstract",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 14,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 9,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        9,
+        14,
+      ],
+      "type": "Keyword",
+      "value": "class",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 35,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 15,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        15,
+        35,
+      ],
+      "type": "Identifier",
+      "value": "SpecializedComponent",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 43,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 36,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        36,
+        43,
+      ],
+      "type": "Keyword",
+      "value": "extends",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 57,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 44,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        44,
+        57,
+      ],
+      "type": "Identifier",
+      "value": "SomeComponent",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 59,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 58,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        58,
+        59,
+      ],
+      "type": "Punctuator",
+      "value": "{",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 10,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 2,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        62,
+        70,
+      ],
+      "type": "Identifier",
+      "value": "abstract",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 19,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 11,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        71,
+        79,
+      ],
+      "type": "Identifier",
+      "value": "override",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 24,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 20,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        80,
+        84,
+      ],
+      "type": "Identifier",
+      "value": "show",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 25,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 24,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        84,
+        85,
+      ],
+      "type": "Punctuator",
+      "value": "(",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 26,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 25,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        85,
+        86,
+      ],
+      "type": "Punctuator",
+      "value": ")",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 27,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 26,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        86,
+        87,
+      ],
+      "type": "Punctuator",
+      "value": ";",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 1,
+          "line": 3,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 3,
+        },
+      },
+      "range": Array [
+        88,
+        89,
+      ],
+      "type": "Punctuator",
+      "value": "}",
+    },
+  ],
+  "type": "Program",
+}
+`;
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-override-property.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-override-property.src.ts.shot
new file mode 100644
index 00000000000..ec1973cbc7e
--- /dev/null
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/abstract-class-with-override-property.src.ts.shot
@@ -0,0 +1,393 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`typescript basics abstract-class-with-override-property.src 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "abstract": true,
+      "body": Object {
+        "body": Array [
+          Object {
+            "computed": false,
+            "declare": false,
+            "key": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 23,
+                  "line": 2,
+                },
+                "start": Object {
+                  "column": 20,
+                  "line": 2,
+                },
+              },
+              "name": "foo",
+              "range": Array [
+                80,
+                83,
+              ],
+              "type": "Identifier",
+            },
+            "loc": Object {
+              "end": Object {
+                "column": 28,
+                "line": 2,
+              },
+              "start": Object {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "override": true,
+            "range": Array [
+              62,
+              88,
+            ],
+            "readonly": undefined,
+            "static": false,
+            "type": "TSAbstractClassProperty",
+            "value": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 27,
+                  "line": 2,
+                },
+                "start": Object {
+                  "column": 26,
+                  "line": 2,
+                },
+              },
+              "range": Array [
+                86,
+                87,
+              ],
+              "raw": "1",
+              "type": "Literal",
+              "value": 1,
+            },
+          },
+        ],
+        "loc": Object {
+          "end": Object {
+            "column": 1,
+            "line": 3,
+          },
+          "start": Object {
+            "column": 58,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          58,
+          90,
+        ],
+        "type": "ClassBody",
+      },
+      "id": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 35,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 15,
+            "line": 1,
+          },
+        },
+        "name": "SpecializedComponent",
+        "range": Array [
+          15,
+          35,
+        ],
+        "type": "Identifier",
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 1,
+          "line": 3,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        90,
+      ],
+      "superClass": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 57,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 44,
+            "line": 1,
+          },
+        },
+        "name": "SomeComponent",
+        "range": Array [
+          44,
+          57,
+        ],
+        "type": "Identifier",
+      },
+      "type": "ClassDeclaration",
+    },
+  ],
+  "comments": Array [],
+  "loc": Object {
+    "end": Object {
+      "column": 0,
+      "line": 4,
+    },
+    "start": Object {
+      "column": 0,
+      "line": 1,
+    },
+  },
+  "range": Array [
+    0,
+    91,
+  ],
+  "sourceType": "script",
+  "tokens": Array [
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 8,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        8,
+      ],
+      "type": "Identifier",
+      "value": "abstract",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 14,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 9,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        9,
+        14,
+      ],
+      "type": "Keyword",
+      "value": "class",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 35,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 15,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        15,
+        35,
+      ],
+      "type": "Identifier",
+      "value": "SpecializedComponent",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 43,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 36,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        36,
+        43,
+      ],
+      "type": "Keyword",
+      "value": "extends",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 57,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 44,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        44,
+        57,
+      ],
+      "type": "Identifier",
+      "value": "SomeComponent",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 59,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 58,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        58,
+        59,
+      ],
+      "type": "Punctuator",
+      "value": "{",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 10,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 2,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        62,
+        70,
+      ],
+      "type": "Identifier",
+      "value": "abstract",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 19,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 11,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        71,
+        79,
+      ],
+      "type": "Identifier",
+      "value": "override",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 23,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 20,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        80,
+        83,
+      ],
+      "type": "Identifier",
+      "value": "foo",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 25,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 24,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        84,
+        85,
+      ],
+      "type": "Punctuator",
+      "value": "=",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 27,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 26,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        86,
+        87,
+      ],
+      "type": "Numeric",
+      "value": "1",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 28,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 27,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        87,
+        88,
+      ],
+      "type": "Punctuator",
+      "value": ";",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 1,
+          "line": 3,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 3,
+        },
+      },
+      "range": Array [
+        89,
+        90,
+      ],
+      "type": "Punctuator",
+      "value": "}",
+    },
+  ],
+  "type": "Program",
+}
+`;
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-accessibility-modifiers.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-accessibility-modifiers.src.ts.shot
index c2e78c3d5fc..67d8ef501e3 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-accessibility-modifiers.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-accessibility-modifiers.src.ts.shot
@@ -38,6 +38,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               35,
@@ -113,6 +114,7 @@ Object {
                 "line": 3,
               },
             },
+            "override": false,
             "range": Array [
               38,
               65,
@@ -188,6 +190,7 @@ Object {
                 "line": 4,
               },
             },
+            "override": false,
             "range": Array [
               68,
               111,
@@ -339,6 +342,7 @@ Object {
                 "line": 7,
               },
             },
+            "override": false,
             "range": Array [
               114,
               171,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-modifier.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-modifier.src.ts.shot
index 73617426afb..ed6760da000 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-modifier.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-modifier.src.ts.shot
@@ -38,6 +38,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               12,
               39,
@@ -118,6 +119,7 @@ Object {
                 "line": 4,
               },
             },
+            "override": false,
             "range": Array [
               43,
               71,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-return-type.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-return-type.src.ts.shot
index 6039f0b88ca..c3a17fbe698 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-return-type.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-return-type.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               12,
               37,
@@ -150,6 +151,7 @@ Object {
                 "line": 4,
               },
             },
+            "override": false,
             "range": Array [
               41,
               70,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-type-parameters.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-type-parameters.src.ts.shot
index 41ec91f36db..56353693fd6 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-type-parameters.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-constructor-and-type-parameters.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               12,
               32,
@@ -172,6 +173,7 @@ Object {
                 "line": 4,
               },
             },
+            "override": false,
             "range": Array [
               36,
               60,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-declare-properties.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-declare-properties.src.ts.shot
index 3fc4fa8a288..5de10062c2d 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-declare-properties.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-declare-properties.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               20,
               42,
@@ -112,6 +113,7 @@ Object {
                 "line": 3,
               },
             },
+            "override": false,
             "range": Array [
               45,
               74,
@@ -186,6 +188,7 @@ Object {
                 "line": 4,
               },
             },
+            "override": false,
             "range": Array [
               77,
               106,
@@ -260,6 +263,7 @@ Object {
                 "line": 5,
               },
             },
+            "override": false,
             "range": Array [
               109,
               140,
@@ -335,6 +339,7 @@ Object {
                 "line": 6,
               },
             },
+            "override": false,
             "range": Array [
               143,
               181,
@@ -410,6 +415,7 @@ Object {
                 "line": 7,
               },
             },
+            "override": false,
             "range": Array [
               184,
               220,
@@ -485,6 +491,7 @@ Object {
                 "line": 8,
               },
             },
+            "override": false,
             "range": Array [
               223,
               268,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-definite-assignment.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-definite-assignment.src.ts.shot
index 175efb44864..00d59df785b 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-definite-assignment.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-definite-assignment.src.ts.shot
@@ -38,6 +38,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               12,
               23,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-export-parameter-properties.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-export-parameter-properties.src.ts.shot
index c74dc1277b7..57fd7fb7ff7 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-export-parameter-properties.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-export-parameter-properties.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               16,
               54,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-generic-method-default.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-generic-method-default.src.ts.shot
index 83f8801a83f..517d5dd3e62 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-generic-method-default.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-generic-method-default.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               34,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-generic-method.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-generic-method.src.ts.shot
index 046a4f06f73..504612e7858 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-generic-method.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-generic-method.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               28,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-method.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-method.src.ts.shot
index cd01d383d9b..84f1c8825bc 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-method.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-method.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               12,
               29,
@@ -149,6 +150,7 @@ Object {
                 "line": 3,
               },
             },
+            "override": false,
             "range": Array [
               32,
               44,
@@ -283,6 +285,7 @@ Object {
                 "line": 4,
               },
             },
+            "override": false,
             "range": Array [
               47,
               55,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-computed-method.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-computed-method.src.ts.shot
index 7b2f8e4f53c..1fd54885c28 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-computed-method.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-computed-method.src.ts.shot
@@ -376,6 +376,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               123,
               138,
@@ -438,6 +439,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               141,
               158,
@@ -518,6 +520,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               162,
               169,
@@ -581,6 +584,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               172,
               181,
@@ -661,6 +665,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               185,
               201,
@@ -724,6 +729,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               204,
               222,
@@ -840,6 +846,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               226,
               244,
@@ -956,6 +963,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               248,
               265,
@@ -1037,6 +1045,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               268,
               279,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-computed-property.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-computed-property.src.ts.shot
index 6271f111aee..31128d9a73b 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-computed-property.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-computed-property.src.ts.shot
@@ -40,6 +40,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               14,
               43,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-methods.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-methods.src.ts.shot
index d237d0e252e..5ad7ce5d913 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-methods.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-methods.src.ts.shot
@@ -38,6 +38,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               14,
               21,
@@ -100,6 +101,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               24,
               39,
@@ -197,6 +199,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               42,
               65,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-properties.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-properties.src.ts.shot
index 17ec5f652f8..3905565b51e 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-properties.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-properties.src.ts.shot
@@ -186,6 +186,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               65,
               70,
@@ -227,6 +228,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               73,
               87,
@@ -303,6 +305,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               90,
               112,
@@ -378,6 +381,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               115,
               127,
@@ -420,6 +424,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               130,
               143,
@@ -462,6 +467,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               146,
               151,
@@ -503,6 +509,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               154,
               175,
@@ -579,6 +586,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               178,
               200,
@@ -655,6 +663,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               203,
               216,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-property-undefined.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-property-undefined.src.ts.shot
index 2476b7468c6..e3f8ea37bde 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-property-undefined.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-optional-property-undefined.src.ts.shot
@@ -39,6 +39,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               12,
               37,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-override-method.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-override-method.src.ts.shot
new file mode 100644
index 00000000000..e600ab918a5
--- /dev/null
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-override-method.src.ts.shot
@@ -0,0 +1,413 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`typescript basics class-with-override-method.src 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "body": Object {
+        "body": Array [
+          Object {
+            "computed": false,
+            "key": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 15,
+                  "line": 2,
+                },
+                "start": Object {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "show",
+              "range": Array [
+                62,
+                66,
+              ],
+              "type": "Identifier",
+            },
+            "kind": "method",
+            "loc": Object {
+              "end": Object {
+                "column": 3,
+                "line": 4,
+              },
+              "start": Object {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "override": true,
+            "range": Array [
+              53,
+              87,
+            ],
+            "static": false,
+            "type": "MethodDefinition",
+            "value": Object {
+              "async": false,
+              "body": Object {
+                "body": Array [],
+                "loc": Object {
+                  "end": Object {
+                    "column": 3,
+                    "line": 4,
+                  },
+                  "start": Object {
+                    "column": 18,
+                    "line": 2,
+                  },
+                },
+                "range": Array [
+                  69,
+                  87,
+                ],
+                "type": "BlockStatement",
+              },
+              "expression": false,
+              "generator": false,
+              "id": null,
+              "loc": Object {
+                "end": Object {
+                  "column": 3,
+                  "line": 4,
+                },
+                "start": Object {
+                  "column": 15,
+                  "line": 2,
+                },
+              },
+              "params": Array [],
+              "range": Array [
+                66,
+                87,
+              ],
+              "type": "FunctionExpression",
+            },
+          },
+        ],
+        "loc": Object {
+          "end": Object {
+            "column": 1,
+            "line": 5,
+          },
+          "start": Object {
+            "column": 49,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          49,
+          89,
+        ],
+        "type": "ClassBody",
+      },
+      "id": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 26,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 6,
+            "line": 1,
+          },
+        },
+        "name": "SpecializedComponent",
+        "range": Array [
+          6,
+          26,
+        ],
+        "type": "Identifier",
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 1,
+          "line": 5,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        89,
+      ],
+      "superClass": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 48,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 35,
+            "line": 1,
+          },
+        },
+        "name": "SomeComponent",
+        "range": Array [
+          35,
+          48,
+        ],
+        "type": "Identifier",
+      },
+      "type": "ClassDeclaration",
+    },
+  ],
+  "comments": Array [
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 12,
+          "line": 3,
+        },
+        "start": Object {
+          "column": 6,
+          "line": 3,
+        },
+      },
+      "range": Array [
+        77,
+        83,
+      ],
+      "type": "Line",
+      "value": " ...",
+    },
+  ],
+  "loc": Object {
+    "end": Object {
+      "column": 0,
+      "line": 6,
+    },
+    "start": Object {
+      "column": 0,
+      "line": 1,
+    },
+  },
+  "range": Array [
+    0,
+    90,
+  ],
+  "sourceType": "script",
+  "tokens": Array [
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 5,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        5,
+      ],
+      "type": "Keyword",
+      "value": "class",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 26,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 6,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        6,
+        26,
+      ],
+      "type": "Identifier",
+      "value": "SpecializedComponent",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 34,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 27,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        27,
+        34,
+      ],
+      "type": "Keyword",
+      "value": "extends",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 48,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 35,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        35,
+        48,
+      ],
+      "type": "Identifier",
+      "value": "SomeComponent",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 50,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 49,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        49,
+        50,
+      ],
+      "type": "Punctuator",
+      "value": "{",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 10,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 2,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        53,
+        61,
+      ],
+      "type": "Identifier",
+      "value": "override",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 15,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 11,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        62,
+        66,
+      ],
+      "type": "Identifier",
+      "value": "show",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 16,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 15,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        66,
+        67,
+      ],
+      "type": "Punctuator",
+      "value": "(",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 17,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 16,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        67,
+        68,
+      ],
+      "type": "Punctuator",
+      "value": ")",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 19,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 18,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        69,
+        70,
+      ],
+      "type": "Punctuator",
+      "value": "{",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 3,
+          "line": 4,
+        },
+        "start": Object {
+          "column": 2,
+          "line": 4,
+        },
+      },
+      "range": Array [
+        86,
+        87,
+      ],
+      "type": "Punctuator",
+      "value": "}",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 1,
+          "line": 5,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 5,
+        },
+      },
+      "range": Array [
+        88,
+        89,
+      ],
+      "type": "Punctuator",
+      "value": "}",
+    },
+  ],
+  "type": "Program",
+}
+`;
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-override-property.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-override-property.src.ts.shot
new file mode 100644
index 00000000000..30a584f5f6d
--- /dev/null
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-override-property.src.ts.shot
@@ -0,0 +1,356 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`typescript basics class-with-override-property.src 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "body": Object {
+        "body": Array [
+          Object {
+            "computed": false,
+            "declare": false,
+            "key": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Object {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "foo",
+              "range": Array [
+                62,
+                65,
+              ],
+              "type": "Identifier",
+            },
+            "loc": Object {
+              "end": Object {
+                "column": 19,
+                "line": 2,
+              },
+              "start": Object {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "override": true,
+            "range": Array [
+              53,
+              70,
+            ],
+            "readonly": undefined,
+            "static": false,
+            "type": "ClassProperty",
+            "value": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 18,
+                  "line": 2,
+                },
+                "start": Object {
+                  "column": 17,
+                  "line": 2,
+                },
+              },
+              "range": Array [
+                68,
+                69,
+              ],
+              "raw": "1",
+              "type": "Literal",
+              "value": 1,
+            },
+          },
+        ],
+        "loc": Object {
+          "end": Object {
+            "column": 1,
+            "line": 3,
+          },
+          "start": Object {
+            "column": 49,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          49,
+          72,
+        ],
+        "type": "ClassBody",
+      },
+      "id": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 26,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 6,
+            "line": 1,
+          },
+        },
+        "name": "SpecializedComponent",
+        "range": Array [
+          6,
+          26,
+        ],
+        "type": "Identifier",
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 1,
+          "line": 3,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        72,
+      ],
+      "superClass": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 48,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 35,
+            "line": 1,
+          },
+        },
+        "name": "SomeComponent",
+        "range": Array [
+          35,
+          48,
+        ],
+        "type": "Identifier",
+      },
+      "type": "ClassDeclaration",
+    },
+  ],
+  "comments": Array [],
+  "loc": Object {
+    "end": Object {
+      "column": 0,
+      "line": 4,
+    },
+    "start": Object {
+      "column": 0,
+      "line": 1,
+    },
+  },
+  "range": Array [
+    0,
+    73,
+  ],
+  "sourceType": "script",
+  "tokens": Array [
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 5,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        5,
+      ],
+      "type": "Keyword",
+      "value": "class",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 26,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 6,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        6,
+        26,
+      ],
+      "type": "Identifier",
+      "value": "SpecializedComponent",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 34,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 27,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        27,
+        34,
+      ],
+      "type": "Keyword",
+      "value": "extends",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 48,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 35,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        35,
+        48,
+      ],
+      "type": "Identifier",
+      "value": "SomeComponent",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 50,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 49,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        49,
+        50,
+      ],
+      "type": "Punctuator",
+      "value": "{",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 10,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 2,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        53,
+        61,
+      ],
+      "type": "Identifier",
+      "value": "override",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 14,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 11,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        62,
+        65,
+      ],
+      "type": "Identifier",
+      "value": "foo",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 16,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 15,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        66,
+        67,
+      ],
+      "type": "Punctuator",
+      "value": "=",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 18,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 17,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        68,
+        69,
+      ],
+      "type": "Numeric",
+      "value": "1",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 19,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 18,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        69,
+        70,
+      ],
+      "type": "Punctuator",
+      "value": ";",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 1,
+          "line": 3,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 3,
+        },
+      },
+      "range": Array [
+        71,
+        72,
+      ],
+      "type": "Punctuator",
+      "value": "}",
+    },
+  ],
+  "type": "Program",
+}
+`;
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-private-parameter-properties.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-private-parameter-properties.src.ts.shot
index 7c4a92e3daf..b4662a489b0 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-private-parameter-properties.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-private-parameter-properties.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               201,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-property-function.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-property-function.src.ts.shot
index 595df343e1d..fbf79a0e859 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-property-function.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-property-function.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               55,
@@ -220,6 +221,7 @@ Object {
                 "line": 3,
               },
             },
+            "override": false,
             "range": Array [
               58,
               83,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-property-values.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-property-values.src.ts.shot
index a8ed19456ca..e9ca7ddbc2a 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-property-values.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-property-values.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               20,
@@ -95,6 +96,7 @@ Object {
                 "line": 3,
               },
             },
+            "override": false,
             "range": Array [
               23,
               30,
@@ -152,6 +154,7 @@ Object {
                 "line": 4,
               },
             },
+            "override": false,
             "range": Array [
               33,
               40,
@@ -209,6 +212,7 @@ Object {
                 "line": 5,
               },
             },
+            "override": false,
             "range": Array [
               43,
               50,
@@ -267,6 +271,7 @@ Object {
                 "line": 6,
               },
             },
+            "override": false,
             "range": Array [
               53,
               80,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-protected-parameter-properties.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-protected-parameter-properties.src.ts.shot
index 346ba40bd7a..0248c45f781 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-protected-parameter-properties.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-protected-parameter-properties.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               209,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-public-parameter-properties.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-public-parameter-properties.src.ts.shot
index 260d52aa88b..bd27cd8449b 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-public-parameter-properties.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-public-parameter-properties.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               197,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-readonly-parameter-properties.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-readonly-parameter-properties.src.ts.shot
index 7e14ba2d579..a33a42f2d7d 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-readonly-parameter-properties.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-readonly-parameter-properties.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               107,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-readonly-property.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-readonly-property.src.ts.shot
index 492e45c6ed1..23d24a88952 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-readonly-property.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-readonly-property.src.ts.shot
@@ -38,6 +38,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               16,
               47,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-static-parameter-properties.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-static-parameter-properties.src.ts.shot
index 93e74b00c34..41e85e115fc 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-static-parameter-properties.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-static-parameter-properties.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               16,
               54,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-two-methods-computed-constructor.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-two-methods-computed-constructor.src.ts.shot
index f8804948fa0..abf1f5816b2 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-two-methods-computed-constructor.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/class-with-two-methods-computed-constructor.src.ts.shot
@@ -38,6 +38,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               12,
               44,
@@ -207,6 +208,7 @@ Object {
                 "line": 5,
               },
             },
+            "override": false,
             "range": Array [
               48,
               82,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/declare-class-with-optional-method.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/declare-class-with-optional-method.src.ts.shot
index aae22750797..134b75cb5fe 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/declare-class-with-optional-method.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/declare-class-with-optional-method.src.ts.shot
@@ -38,6 +38,7 @@ Object {
               },
             },
             "optional": true,
+            "override": false,
             "range": Array [
               24,
               36,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/keyword-variables.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/keyword-variables.src.ts.shot
index 74d752f2a03..d32cb99e1aa 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/keyword-variables.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/keyword-variables.src.ts.shot
@@ -4085,6 +4085,7 @@ Object {
                 "line": 71,
               },
             },
+            "override": false,
             "range": Array [
               987,
               1000,
@@ -4164,6 +4165,7 @@ Object {
                 "line": 72,
               },
             },
+            "override": false,
             "range": Array [
               1003,
               1017,
@@ -4243,6 +4245,7 @@ Object {
                 "line": 73,
               },
             },
+            "override": false,
             "range": Array [
               1020,
               1033,
@@ -4322,6 +4325,7 @@ Object {
                 "line": 74,
               },
             },
+            "override": false,
             "range": Array [
               1036,
               1075,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/object-with-escaped-properties.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/object-with-escaped-properties.src.ts.shot
index 1bf761bae13..8ef720aba18 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/object-with-escaped-properties.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/object-with-escaped-properties.src.ts.shot
@@ -344,6 +344,7 @@ Object {
                 "line": 7,
               },
             },
+            "override": false,
             "range": Array [
               68,
               79,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/type-assertion-in-method.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/type-assertion-in-method.src.ts.shot
index c48954cc2b5..d2ee9293ca2 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/type-assertion-in-method.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/type-assertion-in-method.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               21,
               60,
@@ -187,6 +188,7 @@ Object {
                 "line": 5,
               },
             },
+            "override": false,
             "range": Array [
               63,
               108,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/type-assertion-with-guard-in-method.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/type-assertion-with-guard-in-method.src.ts.shot
index 64d58b576c3..e9af3cb7590 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/type-assertion-with-guard-in-method.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/type-assertion-with-guard-in-method.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               21,
               70,
@@ -220,6 +221,7 @@ Object {
                 "line": 5,
               },
             },
+            "override": false,
             "range": Array [
               73,
               128,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/type-guard-in-method.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/type-guard-in-method.src.ts.shot
index d8cef033d20..f97f275b690 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/type-guard-in-method.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/type-guard-in-method.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               75,
@@ -272,6 +273,7 @@ Object {
                 "line": 5,
               },
             },
+            "override": false,
             "range": Array [
               78,
               145,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/type-reference-comments.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/type-reference-comments.src.ts.shot
index 80034787fcb..4e24a2d0e02 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/basics/type-reference-comments.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/type-reference-comments.src.ts.shot
@@ -37,6 +37,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               26,
               75,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-factory-instance-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-factory-instance-member.src.ts.shot
index b077180d007..805be00cc76 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-factory-instance-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-factory-instance-member.src.ts.shot
@@ -113,6 +113,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               18,
               70,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-factory-static-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-factory-static-member.src.ts.shot
index a5af5b71604..e977890dec4 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-factory-static-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-factory-static-member.src.ts.shot
@@ -171,6 +171,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               18,
               80,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-instance-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-instance-member.src.ts.shot
index 915ef296e49..8eb7ac9e21c 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-instance-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-instance-member.src.ts.shot
@@ -74,6 +74,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               53,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-static-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-static-member.src.ts.shot
index 495eb8857ca..604fffa67a5 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-static-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/accessor-decorators/accessor-decorator-static-member.src.ts.shot
@@ -74,6 +74,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               17,
               76,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-factory-instance-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-factory-instance-member.src.ts.shot
index b61cfff3e6d..108b09f249c 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-factory-instance-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-factory-instance-member.src.ts.shot
@@ -113,6 +113,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               54,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-factory-static-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-factory-static-member.src.ts.shot
index 57042fcf265..c3429eb4f45 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-factory-static-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-factory-static-member.src.ts.shot
@@ -113,6 +113,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               54,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-instance-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-instance-member.src.ts.shot
index 6aeafa9a643..c73b273260c 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-instance-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-instance-member.src.ts.shot
@@ -74,6 +74,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               47,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-static-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-static-member.src.ts.shot
index 1d859f1e6fb..9afc61f6df0 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-static-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/method-decorators/method-decorator-static-member.src.ts.shot
@@ -74,6 +74,7 @@ Object {
                 "line": 2,
               },
             },
+            "override": false,
             "range": Array [
               14,
               47,
diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-array-pattern-decorator.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-array-pattern-decorator.src.ts.shot
index 77cd44fb8b1..49db6673b5a 100644
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+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-array-pattern-decorator.src.ts.shot
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-constructor.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-constructor.src.ts.shot
index 33b297d36cb..400c54bbc48 100644
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@@ -37,6 +37,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-decorator-instance-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-decorator-instance-member.src.ts.shot
index 9412305d441..237d9442521 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-decorator-instance-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-decorator-instance-member.src.ts.shot
@@ -37,6 +37,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-decorator-static-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-decorator-static-member.src.ts.shot
index eb89d6731f6..6e982f368f3 100644
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+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-decorator-static-member.src.ts.shot
@@ -37,6 +37,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-instance-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-instance-member.src.ts.shot
index 6fb2cba87e8..9e20b12a095 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-instance-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-instance-member.src.ts.shot
@@ -37,6 +37,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-static-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-static-member.src.ts.shot
index 80d5d32e31b..e12ff3fa819 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-static-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-decorator-static-member.src.ts.shot
@@ -37,6 +37,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-object-pattern-decorator.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-object-pattern-decorator.src.ts.shot
index f2713ac584b..69ad340de2a 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-object-pattern-decorator.src.ts.shot
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@@ -37,6 +37,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-rest-element-decorator.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-rest-element-decorator.src.ts.shot
index 561cb43be3e..7f77443e46d 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-rest-element-decorator.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/parameter-decorators/parameter-rest-element-decorator.src.ts.shot
@@ -37,6 +37,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-factory-instance-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-factory-instance-member.src.ts.shot
index 1b372fff159..792ec79028f 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-factory-instance-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-factory-instance-member.src.ts.shot
@@ -93,6 +93,7 @@ Object {
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@@ -189,6 +190,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-factory-static-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-factory-static-member.src.ts.shot
index 6b252b1c09d..616d39ed367 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-factory-static-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-factory-static-member.src.ts.shot
@@ -113,6 +113,7 @@ Object {
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+            "override": false,
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@@ -229,6 +230,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-instance-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-instance-member.src.ts.shot
index ba40f39773e..7ba24aa3ef5 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-instance-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-instance-member.src.ts.shot
@@ -74,6 +74,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-static-member.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-static-member.src.ts.shot
index 5a73d6a5bb2..9e4706080cd 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-static-member.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/decorators/property-decorators/property-decorator-static-member.src.ts.shot
@@ -74,6 +74,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/errorRecovery/empty-type-parameters-in-constructor.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/errorRecovery/empty-type-parameters-in-constructor.src.ts.shot
index 772f87aee45..235dee9fe7c 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/errorRecovery/empty-type-parameters-in-constructor.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/errorRecovery/empty-type-parameters-in-constructor.src.ts.shot
@@ -37,6 +37,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/errorRecovery/empty-type-parameters-in-method.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/errorRecovery/empty-type-parameters-in-method.src.ts.shot
index 0a352667441..3233906e5cc 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/errorRecovery/empty-type-parameters-in-method.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/errorRecovery/empty-type-parameters-in-method.src.ts.shot
@@ -37,6 +37,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/namespaces-and-modules/module-with-default-exports.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/namespaces-and-modules/module-with-default-exports.src.ts.shot
index ccacf0893b4..70ff82a2ec7 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/namespaces-and-modules/module-with-default-exports.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/namespaces-and-modules/module-with-default-exports.src.ts.shot
@@ -41,6 +41,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/namespaces-and-modules/nested-internal-module.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/namespaces-and-modules/nested-internal-module.src.ts.shot
index bd714fb2431..32b6bf5d3bd 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/namespaces-and-modules/nested-internal-module.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/namespaces-and-modules/nested-internal-module.src.ts.shot
@@ -135,6 +135,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/types/this-type-expanded.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/types/this-type-expanded.src.ts.shot
index 4ae46a1f615..d936454024a 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/types/this-type-expanded.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/types/this-type-expanded.src.ts.shot
@@ -38,6 +38,7 @@ Object {
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@@ -1586,6 +1592,7 @@ Object {
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diff --git a/packages/typescript-estree/tests/snapshots/typescript/types/this-type.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/types/this-type.src.ts.shot
index 2709ff43b71..d937da37206 100644
--- a/packages/typescript-estree/tests/snapshots/typescript/types/this-type.src.ts.shot
+++ b/packages/typescript-estree/tests/snapshots/typescript/types/this-type.src.ts.shot
@@ -37,6 +37,7 @@ Object {
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