=== tests/cases/conformance/parser/ecmascript5/PropertySignatures/parserPropertySignature4.ts ===
interface I {
>I : I, Symbol(I, Decl(parserPropertySignature4.ts, 0, 0))

  D?:any;
>D : any, Symbol(D, Decl(parserPropertySignature4.ts, 0, 13))
}