==== tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithOverloadedFunctionTypedArguments2.ts (1 errors) ====
    // Function typed arguments with multiple signatures must be passed an implementation that matches all of them
    // Inferences are made quadratic-pairwise to and from these overload sets
    
    module NonGenericParameter {
        var a: {
            (x: boolean): boolean;
            (x: string): string;
        }
    
        function foo4(cb: typeof a) {
            return cb;
        }
    
        var r3 = foo4(<T, U>(x: T) => { var r: U; return r }); // ok
    }
    
    module GenericParameter {
        function foo5<T>(cb: { (x: T): string; (x: number): T }) {
            return cb;
        }
    
        var r6 = foo5(<T>(x: T) => x); // ok
    
        function foo6<T>(cb: { (x: T): string; (x: T, y?: T): string }) {
            return cb;
        }
    
        var r10 = foo6(<T>(x: T, y: T) => ''); // error
                       ~~~~~~~~~~~~~~~~~~~~~
!!! Argument of type '<T>(x: T, y: T) => string' is not assignable to parameter of type '{ (x: any): string; (x: any, y?: any): string; }'.
    
        function foo7<T>(x:T, cb: { (x: T): string; (x: T, y?: T): string }) {
            return cb;
        }
    
        var r13 = foo7(1, <T>(x: T) => x); // ok
        var a: { <T>(x: T): number; <T>(x: number): T; }
        var r14 = foo7(1, a); // ok
    }