tests/cases/conformance/parser/ecmascript5/IndexSignatures/parserIndexSignature11.ts(2,9): error TS1169: A computed property name in an interface must directly refer to a built-in symbol. tests/cases/conformance/parser/ecmascript5/IndexSignatures/parserIndexSignature11.ts(2,10): error TS2304: Cannot find name 'p'. tests/cases/conformance/parser/ecmascript5/IndexSignatures/parserIndexSignature11.ts(3,9): error TS1021: An index signature must have a type annotation. tests/cases/conformance/parser/ecmascript5/IndexSignatures/parserIndexSignature11.ts(4,10): error TS1096: An index signature must have exactly one parameter. ==== tests/cases/conformance/parser/ecmascript5/IndexSignatures/parserIndexSignature11.ts (4 errors) ==== interface I { [p]; // Used to be indexer, now it is a computed property ~~~ !!! error TS1169: A computed property name in an interface must directly refer to a built-in symbol. ~ !!! error TS2304: Cannot find name 'p'. [p1: string]; ~~~~~~~~~~~~~ !!! error TS1021: An index signature must have a type annotation. [p2: string, p3: number]; ~~ !!! error TS1096: An index signature must have exactly one parameter. }