=== tests/cases/conformance/es6/Symbols/symbolDeclarationEmit5.ts === interface I { >I : Symbol(I, Decl(symbolDeclarationEmit5.ts, 0, 0)) [Symbol.isConcatSpreadable](): string; >Symbol.isConcatSpreadable : Symbol(SymbolConstructor.isConcatSpreadable, Decl(lib.d.ts, 1243, 24)) >Symbol : Symbol(Symbol, Decl(lib.d.ts, 1199, 52), Decl(lib.d.ts, 1305, 11)) >isConcatSpreadable : Symbol(SymbolConstructor.isConcatSpreadable, Decl(lib.d.ts, 1243, 24)) }