class SampleIn3 {
    // class variables
    private in;
}

// class properties
class SampleIn4 {
    private var;
    set in(value) {}
    get in() {
        return this.var;
    }
}

class SampleIn5 {
    in() {} // class methods
}

// interface declarations
interface SampleIn6 {
    in: any;
}