chore(tsutils): remove unused exports

The following are now no longer exported:
  * `KnownMemberExpression` interface
  * `ExpectMember` interface
  * `StringNode` alias
  * `ExpectCall` interface
  * `MatcherName` alias
  * `EqualityMatcher` enum
  * `ExpectPropertyName` alias

src/rules/tsUtils.ts

@@ -72,7 +72,7 @@ export const isTemplateLiteral = <V extends string>(
     (node.quasis.length === 1 && // bail out if not simple
       node.quasis[0].value.raw === value));
 
-export type StringNode<S extends string = string> =
+type StringNode<S extends string = string> =
   | StringLiteral<S>
   | TemplateLiteral<S>;
 
@@ -110,7 +110,7 @@ export const getStringValue = <S extends string>(node: StringNode<S>): S =>
 /**
  * Represents a `MemberExpression` with a "known" `property`.
  */
-export interface KnownMemberExpression<Name extends string = string>
+interface KnownMemberExpression<Name extends string = string>
   extends TSESTree.MemberExpression {
   property: AccessorNode<Name>;
 }
@@ -232,7 +232,7 @@ type AccessorNode<Specifics extends string = string> =
   | StringNode<Specifics>
   | KnownIdentifier<Specifics>;
 
-export interface ExpectCall extends TSESTree.CallExpression {
+interface ExpectCall extends TSESTree.CallExpression {
   callee: AccessorNode<'expect'>;
   parent: TSESTree.Node;
 }
@@ -257,7 +257,7 @@ export const isExpectCall = (node: TSESTree.Node): node is ExpectCall =>
 /**
  * Represents a `MemberExpression` that comes after an `ExpectCall`.
  */
-export interface ExpectMember<
+interface ExpectMember<
   PropertyName extends ExpectPropertyName = ExpectPropertyName,
   Parent extends TSESTree.Node | undefined = TSESTree.Node | undefined
 > extends KnownMemberExpression<PropertyName> {
@@ -278,8 +278,8 @@ export const isExpectMember = <
 /**
  * Represents all the jest matchers.
  */
-export type MatcherName = string /* & not ModifierName */;
-export type ExpectPropertyName = ModifierName | MatcherName;
+type MatcherName = string /* & not ModifierName */;
+type ExpectPropertyName = ModifierName | MatcherName;
 
 export type ParsedEqualityMatcherCall<
   Argument extends TSESTree.Expression = TSESTree.Expression
@@ -288,18 +288,18 @@ export type ParsedEqualityMatcherCall<
   arguments: [Argument];
 };
 
+enum EqualityMatcher {
+  toBe = 'toBe',
+  toEqual = 'toEqual',
+}
+
 export const isParsedEqualityMatcherCall = (
   matcher: ParsedExpectMatcher,
 ): matcher is ParsedEqualityMatcherCall =>
   EqualityMatcher.hasOwnProperty(matcher.name) &&
   matcher.arguments !== null &&
   matcher.arguments.length === 1;
 
-export enum EqualityMatcher {
-  toBe = 'toBe',
-  toEqual = 'toEqual',
-}
-
 export enum ModifierName {
   not = 'not',
   rejects = 'rejects',