class TestClass {
    public bar(x: string): void;
    public bar(x: string[]): void;
    public bar(x: any): void {
        
    }
 
    public foo(x: string): void;
    public foo(x: string[]): void;
    public foo(x: any): void {
        this.bar(x); // should not error
    }
}

class TestClass2 {
    public bar(x: string): number;
    public bar(x: string[]): number;
    public bar(x: any): number {
        return 0;
    }
 
    public foo(x: string): number;
    public foo(x: string[]): number;
    public foo(x: any): number {
        return this.bar(x); // should not error
    }
}