tests/cases/conformance/parser/ecmascript6/ComputedPropertyNames/parserComputedPropertyName21.ts(2,5): error TS1169: Computed property names are not allowed in interfaces. ==== tests/cases/conformance/parser/ecmascript6/ComputedPropertyNames/parserComputedPropertyName21.ts (1 errors) ==== interface I { [e]: number ~~~ !!! error TS1169: Computed property names are not allowed in interfaces. }