diff --git a/crates/oxc_ast/src/ast/ts.rs b/crates/oxc_ast/src/ast/ts.rs
index c51ae20a74728..b0f0b4f984a1b 100644
--- a/crates/oxc_ast/src/ast/ts.rs
+++ b/crates/oxc_ast/src/ast/ts.rs
@@ -961,6 +961,7 @@ pub enum TSSignature<'a> {
 #[ast(visit)]
 #[derive(Debug)]
 #[generate_derive(CloneIn, GetSpan, GetSpanMut, ContentEq, ESTree)]
+#[estree(add_fields(accessibility = TsNull))]
 pub struct TSIndexSignature<'a> {
     pub span: Span,
     pub parameters: Vec<'a, TSIndexSignatureName<'a>>,
@@ -1034,7 +1035,7 @@ pub struct TSConstructSignatureDeclaration<'a> {
 #[ast(visit)]
 #[derive(Debug)]
 #[generate_derive(CloneIn, GetSpan, GetSpanMut, ContentEq, ESTree)]
-#[estree(rename = "Identifier")]
+#[estree(rename = "Identifier", add_fields(decorators = TsEmptyArray, optional = TsFalse))]
 pub struct TSIndexSignatureName<'a> {
     pub span: Span,
     #[estree(json_safe)]
diff --git a/crates/oxc_ast/src/generated/derive_estree.rs b/crates/oxc_ast/src/generated/derive_estree.rs
index 2ad65111eafd3..76aaa4527630c 100644
--- a/crates/oxc_ast/src/generated/derive_estree.rs
+++ b/crates/oxc_ast/src/generated/derive_estree.rs
@@ -2896,6 +2896,7 @@ impl ESTree for TSIndexSignature<'_> {
         state.serialize_field("typeAnnotation", &self.type_annotation);
         state.serialize_field("readonly", &self.readonly);
         state.serialize_field("static", &self.r#static);
+        state.serialize_ts_field("accessibility", &crate::serialize::TsNull(self));
         state.end();
     }
 }
@@ -2962,6 +2963,8 @@ impl ESTree for TSIndexSignatureName<'_> {
         state.serialize_field("end", &self.span.end);
         state.serialize_field("name", &JsonSafeString(self.name.as_str()));
         state.serialize_field("typeAnnotation", &self.type_annotation);
+        state.serialize_ts_field("decorators", &crate::serialize::TsEmptyArray(self));
+        state.serialize_ts_field("optional", &crate::serialize::TsFalse(self));
         state.end();
     }
 }
diff --git a/napi/parser/deserialize-ts.js b/napi/parser/deserialize-ts.js
index 235bde43e4403..bb26b16c48f20 100644
--- a/napi/parser/deserialize-ts.js
+++ b/napi/parser/deserialize-ts.js
@@ -1718,6 +1718,7 @@ function deserializeTSIndexSignature(pos) {
     typeAnnotation: deserializeBoxTSTypeAnnotation(pos + 40),
     readonly: deserializeBool(pos + 48),
     static: deserializeBool(pos + 49),
+    accessibility: null,
   };
 }
 
@@ -1766,6 +1767,8 @@ function deserializeTSIndexSignatureName(pos) {
     end: deserializeU32(pos + 4),
     name: deserializeStr(pos + 8),
     typeAnnotation: deserializeBoxTSTypeAnnotation(pos + 24),
+    decorators: [],
+    optional: false,
   };
 }
 
diff --git a/npm/oxc-types/types.d.ts b/npm/oxc-types/types.d.ts
index b742a80cc1970..60296d2c07b9a 100644
--- a/npm/oxc-types/types.d.ts
+++ b/npm/oxc-types/types.d.ts
@@ -1205,6 +1205,7 @@ export interface TSIndexSignature extends Span {
   typeAnnotation: TSTypeAnnotation;
   readonly: boolean;
   static: boolean;
+  accessibility?: null;
 }
 
 export interface TSCallSignatureDeclaration extends Span {
@@ -1239,6 +1240,8 @@ export interface TSIndexSignatureName extends Span {
   type: 'Identifier';
   name: string;
   typeAnnotation: TSTypeAnnotation;
+  decorators?: [];
+  optional?: false;
 }
 
 export interface TSInterfaceHeritage extends Span {
diff --git a/tasks/coverage/snapshots/estree_typescript.snap b/tasks/coverage/snapshots/estree_typescript.snap
index 1116e0c2234f5..23bf6b45e21b4 100644
--- a/tasks/coverage/snapshots/estree_typescript.snap
+++ b/tasks/coverage/snapshots/estree_typescript.snap
@@ -2,7 +2,7 @@ commit: 15392346
 
 estree_typescript Summary:
 AST Parsed     : 10623/10725 (99.05%)
-Positive Passed: 1923/10725 (17.93%)
+Positive Passed: 1979/10725 (18.45%)
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/APILibCheck.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/APISample_Watch.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/APISample_WatchWithDefaults.ts
@@ -551,9 +551,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/compiler/classImplementsClass7.t
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/classImplementsImportedInterface.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/classImplementsMethodWIthTupleArgs.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/classImplementsPrimitive.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/classIndexer.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/classIndexer2.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/classIndexer3.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/classIndexer4.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/classIndexer5.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/classMemberInitializerScoping.ts
@@ -780,7 +777,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/compiler/conditionalReturnExpres
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/conditionalTypeAnyUnion.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/conditionalTypeAssignabilityWhenDeferred.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/conditionalTypeBasedContextualTypeReturnTypeWidening.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/conditionalTypeClassMembers.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/conditionalTypeContextualTypeSimplificationsSuceeds.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/conditionalTypeDiscriminatingLargeUnionRegularTypeFetchingSpeedReasonable.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/conditionalTypeDoesntSpinForever.ts
@@ -1059,7 +1055,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/compiler/cyclicTypeInstantiation
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/declFileAccessors.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/declFileAmbientExternalModuleWithSingleExportedModule.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/declFileCallSignatures.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/declFileClassWithIndexSignature.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/declFileClassWithStaticMethodReturningConstructor.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/declFileConstructSignatures.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/declFileConstructors.ts
@@ -2158,7 +2153,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/compiler/fixingTypeParametersRep
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/flatArrayNoExcessiveStackDepth.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/flowControlTypeGuardThenSwitch.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/forAwaitForUnion.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/forInStrictNullChecksNoError.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/forLoopEndingMultilineComments.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/forLoopWithDestructuringDoesNotElideFollowingStatement.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/forOfStringConstituents.ts
@@ -2333,7 +2327,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericFunctionsWithOpt
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericFunctionsWithOptionalParameters2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericFunctionsWithOptionalParameters3.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericImplements.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericIndexTypeHasSensibleErrorMessage.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericIndexedAccessMethodIntersectionCanBeAccessed.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericIndexedAccessVarianceComparisonResultCorrect.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericInference2.ts
@@ -2390,7 +2383,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericTypeWithNonGener
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericUnboundedTypeParamAssignability.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericWithCallSignatureReturningSpecialization.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericWithCallSignatures1.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericWithIndexerOfTypeParameterType1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericWithIndexerOfTypeParameterType2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/genericWithOpenTypeParameters1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/generics0.ts
@@ -2641,12 +2633,9 @@ Mismatch: tasks/coverage/typescript/tests/cases/compiler/indexedAccessWithFreshO
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/indexedAccessWithVariableElement.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/indexer.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/indexer2.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/indexer2A.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/indexer3.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/indexerA.ts
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/indexerAsOptional.ts
 Unexpected token
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/indexerAssignability.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/indexerConstraints.ts
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/indexerConstraints2.ts
 Unexpected token
@@ -2705,7 +2694,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/compiler/inferentialTypingWithFu
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/inferentialTypingWithObjectLiteralProperties.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/inferentiallyTypingAnEmptyArray.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/inferredFunctionReturnTypeIsEmptyType.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/inferredIndexerOnNamespaceImport.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/inferredNonidentifierTypesGetQuotes.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/inferredRestTypeFixedOnce.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/inferredReturnTypeIncorrectReuse1.ts
@@ -3811,14 +3799,11 @@ Missing initializer in const declaration
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericClassMembers1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericEnumMappedType.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericIndexExpressions.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericIndexerConstraint.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericIndexerConstraint1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericIndexerConstraint2.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericIndexerConstraint3.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericIndexerConstraint4.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericIndexerConstraint5.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericIndexerTyping1.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericIndexerTyping2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericMethodName1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/numericUnderscoredSeparator.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/objectAssignLikeNonUnionResult.ts
@@ -4548,7 +4533,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/compiler/staticFieldWithInterfac
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/staticGetter1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/staticGetter2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/staticGetterAndSetter.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/staticIndexSignatureAndNormalIndexSignature.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/staticInheritance.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/staticInitializersAndLegacyClassDecorators.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/staticInstanceResolution2.ts
@@ -4591,7 +4575,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/compiler/strictTypeofUnionNarrow
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/stringIndexerAndConstructor.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/stringIndexerAndConstructor1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/stringIndexerAssignments1.ts
-Mismatch: tasks/coverage/typescript/tests/cases/compiler/stringIndexerAssignments2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/stringLiteralObjectLiteralDeclaration1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/stringLiteralPropertyNameWithLineContinuation1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/compiler/stringMappingAssignability.ts
@@ -5418,7 +5401,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/members/clas
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/members/constructorFunctionTypes/classWithNoConstructorOrBaseClass.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/members/constructorFunctionTypes/classWithStaticMembers.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/members/inheritanceAndOverriding/derivedClassIncludesInheritedMembers.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/members/inheritanceAndOverriding/derivedClassOverridesIndexersWithAssignmentCompatibility.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/members/inheritanceAndOverriding/derivedClassOverridesPrivates.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/members/inheritanceAndOverriding/derivedClassOverridesProtectedMembers.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/members/inheritanceAndOverriding/derivedClassOverridesProtectedMembers2.ts
@@ -5638,10 +5620,7 @@ tasks/coverage/typescript/tests/cases/conformance/classes/propertyMemberDeclarat
 Unexpected estree file content error: 1 != 2
 
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/propertyMemberDeclarations/twoAccessorsWithSameName.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/staticIndexSignature/staticIndexSignature1.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/staticIndexSignature/staticIndexSignature2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/staticIndexSignature/staticIndexSignature3.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/staticIndexSignature/staticIndexSignature6.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/classes/staticIndexSignature/staticIndexSignature7.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/constEnums/constEnum1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/constEnums/constEnum2.ts
@@ -6108,26 +6087,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperti
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames34_ES6.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames35_ES5.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames35_ES6.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames36_ES5.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames36_ES6.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames37_ES5.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames37_ES6.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames38_ES5.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames38_ES6.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames39_ES5.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames39_ES6.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames40_ES5.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames40_ES6.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames41_ES5.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames41_ES6.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames42_ES5.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames42_ES6.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames43_ES5.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames43_ES6.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames44_ES5.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames44_ES6.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames45_ES5.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames45_ES6.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames46_ES5.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames46_ES6.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/es6/computedProperties/computedPropertyNames47_ES5.ts
@@ -6941,7 +6900,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOp
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithIntersectionType.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipObjectsOnCallSignature.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipObjectsOnConstructorSignature.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipObjectsOnIndexSignature.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipObjectsOnInstantiatedCallSignature.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipObjectsOnInstantiatedConstructorSignature.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipObjectsOnOptionalProperty.ts
@@ -6955,7 +6913,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOp
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithSubtypeEnumAndNumber.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithSubtypeObjectOnCallSignature.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithSubtypeObjectOnConstructorSignature.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithSubtypeObjectOnIndexSignature.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithSubtypeObjectOnInstantiatedCallSignature.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithSubtypeObjectOnInstantiatedConstructorSignature.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithSubtypeObjectOnOptionalProperty.ts
@@ -7510,7 +7467,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/conformance/interfaces/interface
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/interfaces/interfacesExtendingClasses/implementingAnInterfaceExtendingClassWithPrivates.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/interfaces/interfacesExtendingClasses/implementingAnInterfaceExtendingClassWithPrivates2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/interfaces/interfacesExtendingClasses/implementingAnInterfaceExtendingClassWithProtecteds.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClass.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithPrivates.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithPrivates2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithProtecteds.ts
@@ -8281,7 +8237,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/C
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/ClassDeclarations/parserClass2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/ClassDeclarations/parserClassDeclaration17.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/ClassDeclarations/parserClassDeclaration25.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/ClassDeclarations/parserClassDeclarationIndexSignature1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/ComputedPropertyNames/parserES5ComputedPropertyName2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/ComputedPropertyNames/parserES5ComputedPropertyName3.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/ComputedPropertyNames/parserES5ComputedPropertyName4.ts
@@ -8363,11 +8318,6 @@ Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/parser/ecmasc
 Cannot assign to this expression
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/Generics/parserGreaterThanTokenAmbiguity20.ts
 Cannot assign to this expression
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/IndexMemberDeclarations/parserIndexMemberDeclaration1.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/IndexMemberDeclarations/parserIndexMemberDeclaration2.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/IndexMemberDeclarations/parserIndexMemberDeclaration3.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/IndexMemberDeclarations/parserIndexMemberDeclaration4.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/IndexMemberDeclarations/parserIndexMemberDeclaration6.ts
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/IndexSignatures/parserIndexSignature1.ts
 Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/IndexSignatures/parserIndexSignature10.ts
@@ -8513,8 +8463,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/S
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/SuperExpressions/parserSuperExpression1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/SuperExpressions/parserSuperExpression4.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/Symbols/parserES5SymbolIndexer1.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/Symbols/parserES5SymbolIndexer2.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/Symbols/parserES5SymbolIndexer3.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/Symbols/parserES5SymbolProperty1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/Symbols/parserES5SymbolProperty2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript5/Symbols/parserES5SymbolProperty8.ts
@@ -8595,9 +8543,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript6/I
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript6/Iterators/parserForOfStatement24.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript6/Iterators/parserForOfStatement25.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript6/Symbols/parserSymbolIndexer1.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript6/Symbols/parserSymbolIndexer2.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript6/Symbols/parserSymbolIndexer3.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript6/Symbols/parserSymbolIndexer4.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript6/Symbols/parserSymbolProperty1.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript6/Symbols/parserSymbolProperty2.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/parser/ecmascript6/Symbols/parserSymbolProperty8.ts
@@ -9291,7 +9236,6 @@ Mismatch: tasks/coverage/typescript/tests/cases/conformance/types/tuple/variadic
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/types/typeAliases/builtinIteratorReturn.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/types/typeAliases/circularTypeAliasForUnionWithClass.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/types/typeAliases/circularTypeAliasForUnionWithInterface.ts
-Mismatch: tasks/coverage/typescript/tests/cases/conformance/types/typeAliases/classDoesNotDependOnBaseTypes.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/types/typeAliases/directDependenceBetweenTypeAliases.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/types/typeAliases/genericTypeAliases.ts
 Mismatch: tasks/coverage/typescript/tests/cases/conformance/types/typeAliases/intrinsicKeyword.ts