tests/cases/compiler/requiredInitializedParameter2.ts(6,5): error TS2416: Property 'method' in type 'C1' is not assignable to the same property in base type 'I1'.
  Type '(a: number, b: any) => void' is not assignable to type '() => any'.
    Target signature provides too few arguments. Expected 2 or more, but got 0.


==== tests/cases/compiler/requiredInitializedParameter2.ts (1 errors) ====
    interface I1 {
        method();
    }
    
    class C1 implements I1 {
        method(a = 0, b) { }
        ~~~~~~
!!! error TS2416: Property 'method' in type 'C1' is not assignable to the same property in base type 'I1'.
!!! error TS2416:   Type '(a: number, b: any) => void' is not assignable to type '() => any'.
!!! error TS2416:     Target signature provides too few arguments. Expected 2 or more, but got 0.
    }