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(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.