tests/cases/conformance/parser/ecmascript5/ParameterLists/parserParameterList14.ts(2,7): error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
==== tests/cases/conformance/parser/ecmascript5/ParameterLists/parserParameterList14.ts (1 errors) ====
declare class C {
foo(a = 1): void;
~~~~~
!!! error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
}