tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(4,1): error TS2381: A signature with an implementation cannot use a string literal type.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(8,5): error TS2381: A signature with an implementation cannot use a string literal type.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(12,5): error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(13,5): error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(14,5): error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(15,5): error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(19,5): error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(20,5): error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(21,5): error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(22,5): error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(26,5): error TS2300: Duplicate identifier 'foo'.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(26,5): error TS2381: A signature with an implementation cannot use a string literal type.
tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts(27,5): error TS2300: Duplicate identifier 'foo'.


==== tests/cases/conformance/types/objectTypeLiteral/callSignatures/stringLiteralTypesInImplementationSignatures2.ts (13 errors) ====
    // String literal types are only valid in overload signatures
    
    function foo(x: any);
    function foo(x: 'hi') { }
    ~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2381: A signature with an implementation cannot use a string literal type.
    
    class C {
        foo(x: string);
        foo(x: 'hi') { }
        ~~~~~~~~~~~~~~~~
!!! error TS2381: A signature with an implementation cannot use a string literal type.
    }
    
    interface I {
        (x: 'a');
        ~~~~~~~~~
!!! error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
        (x: 'hi');
        ~~~~~~~~~~
!!! error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
        foo(x: 'a', y: 'a');
        ~~~~~~~~~~~~~~~~~~~~
!!! error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
        foo(x: 'hi', y: 'hi');
        ~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
    }
    
    var a: {
        (x: 'hi');
        ~~~~~~~~~~
!!! error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
        (x: 'a');
        ~~~~~~~~~
!!! error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
        foo(x: 'hi');
        ~~~~~~~~~~~~~
!!! error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
        foo(x: 'a');
        ~~~~~~~~~~~~
!!! error TS2382: Specialized overload signature is not assignable to any non-specialized signature.
    }
    
    var b = {
        foo(x: 'hi') { },
        ~~~
!!! error TS2300: Duplicate identifier 'foo'.
        ~~~~~~~~~~~~~~~~
!!! error TS2381: A signature with an implementation cannot use a string literal type.
        foo(x: 'a') { },
        ~~~
!!! error TS2300: Duplicate identifier 'foo'.
    }