diff --git a/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl
index df6558f81e693..e8fc8c42d6b20 100644
--- a/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -1743,6 +1743,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";An_accessor_property_cannot_be_declared_optional_1276" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[An 'accessor' property cannot be declared optional.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[無法將 'accessor' 屬性宣告為選擇性。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[An ambient module declaration is only allowed at the top level in a file.]]></Val>
@@ -10320,6 +10329,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Properties_with_the_accessor_modifier_are_only_available_when_targeting_ECMAScript_2015_and_higher_18045" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Properties with the 'accessor' modifier are only available when targeting ECMAScript 2015 and higher.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[只有以 ECMAScript 2015 及更新版本為目標時，才可使用具有 'accessor' 修飾詞的屬性。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Property_0_cannot_have_an_initializer_because_it_is_marked_abstract_1267" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Property '{0}' cannot have an initializer because it is marked abstract.]]></Val>
@@ -16269,6 +16287,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";accessor_modifier_can_only_appear_on_a_property_declaration_1275" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['accessor' modifier can only appear on a property declaration.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA['accessor' 修飾詞只能出現在屬性宣告。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";and_here_6204" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[and here.]]></Val>
diff --git a/src/loc/lcl/csy/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/csy/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 02f5e6f832a35..3dda44ae4dd85 100644
--- a/src/loc/lcl/csy/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/csy/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -1752,6 +1752,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";An_accessor_property_cannot_be_declared_optional_1276" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[An 'accessor' property cannot be declared optional.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Vlastnost accessor nejde deklarovat jako volitelnou.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[An ambient module declaration is only allowed at the top level in a file.]]></Val>
@@ -10329,6 +10338,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Properties_with_the_accessor_modifier_are_only_available_when_targeting_ECMAScript_2015_and_higher_18045" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Properties with the 'accessor' modifier are only available when targeting ECMAScript 2015 and higher.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Vlastnosti s modifikátorem accessor jsou k dispozici jen při cílení na ECMAScript 2015 a vyšší.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Property_0_cannot_have_an_initializer_because_it_is_marked_abstract_1267" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Property '{0}' cannot have an initializer because it is marked abstract.]]></Val>
@@ -16278,6 +16296,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";accessor_modifier_can_only_appear_on_a_property_declaration_1275" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['accessor' modifier can only appear on a property declaration.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Modifikátor accessor se může objevit jenom v deklaraci vlastnosti.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";and_here_6204" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[and here.]]></Val>
diff --git a/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 8e868e73fe0ff..c435ee468890a 100644
--- a/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/deu/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -1740,6 +1740,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";An_accessor_property_cannot_be_declared_optional_1276" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[An 'accessor' property cannot be declared optional.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Eine Accessoreigenschaft kann nicht als optional deklariert werden.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[An ambient module declaration is only allowed at the top level in a file.]]></Val>
@@ -10314,6 +10323,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Properties_with_the_accessor_modifier_are_only_available_when_targeting_ECMAScript_2015_and_higher_18045" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Properties with the 'accessor' modifier are only available when targeting ECMAScript 2015 and higher.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Eigenschaften mit dem Accessormodifizierer sind nur für ECMAScript 2015 und höher verfügbar.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Property_0_cannot_have_an_initializer_because_it_is_marked_abstract_1267" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Property '{0}' cannot have an initializer because it is marked abstract.]]></Val>
@@ -16263,6 +16281,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";accessor_modifier_can_only_appear_on_a_property_declaration_1275" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['accessor' modifier can only appear on a property declaration.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Der Accessormodifizierer kann nur in einer Eigenschaftendeklaration angezeigt werden.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";and_here_6204" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[and here.]]></Val>