tests/cases/compiler/requiredInitializedParameter2.ts(5,7): error TS2420: Class 'C1' incorrectly implements interface 'I1'.
  Types of property 'method' are incompatible.
    Type '(a: number, b: any) => void' is not assignable to type '() => any'.


==== tests/cases/compiler/requiredInitializedParameter2.ts (1 errors) ====
    interface I1 {
        method();
    }
    
    class C1 implements I1 {
          ~~
!!! error TS2420: Class 'C1' incorrectly implements interface 'I1'.
!!! error TS2420:   Types of property 'method' are incompatible.
!!! error TS2420:     Type '(a: number, b: any) => void' is not assignable to type '() => any'.
        method(a = 0, b) { }
    }