tests/cases/conformance/parser/ecmascript6/ComputedPropertyNames/parserComputedPropertyName32.ts(2,5): error TS1165: A computed property name in an ambient context must directly refer to a built-in symbol. tests/cases/conformance/parser/ecmascript6/ComputedPropertyNames/parserComputedPropertyName32.ts(2,6): error TS2304: Cannot find name 'e'. ==== tests/cases/conformance/parser/ecmascript6/ComputedPropertyNames/parserComputedPropertyName32.ts (2 errors) ==== declare class C { [e](): number ~~~ !!! error TS1165: A computed property name in an ambient context must directly refer to a built-in symbol. ~ !!! error TS2304: Cannot find name 'e'. }