==== tests/cases/compiler/dontShowCompilerGeneratedMembers.ts (5 errors) ====
    var f: {
        ~
!!! Type 'number' is not assignable to type '{ <>(): any; x: number; }':
!!!   Property 'x' is missing in type 'Number'.
        x: number;
        <-
        ~
!!! Type parameter list cannot be empty.
         ~
!!! '(' expected.
         ~
!!! Type parameter declaration expected.
    };
    ~
!!! Expression expected.