assignToExistingClass.ts(3,9): error TS2564: Property 'myProp' has no initializer and is not definitely assigned in the constructor.
assignToExistingClass.ts(8,13): error TS2629: Cannot assign to 'Mocked' because it is a class.


==== assignToExistingClass.ts (2 errors) ====
    namespace Test {
        class Mocked {
            myProp: string;
            ~~~~~~
!!! error TS2564: Property 'myProp' has no initializer and is not definitely assigned in the constructor.
        }
    
        class Tester {
            willThrowError() {
                Mocked = Mocked || function () { // => Error: Invalid left-hand side of assignment expression.
                ~~~~~~
!!! error TS2629: Cannot assign to 'Mocked' because it is a class.
                    return { myProp: "test" };
                };
            }
        }
     
    }
    