class SampleInstanceOf3 {
    // class variables
    private instanceof;
}

// class properties
class SampleInstanceOf4 {
    private var;
    set instanceof(value) {}
    get instanceof() {
        return this.var;
    }
}

class SampleInstanceOf5 {
    instanceof() {} // class methods
}

// interface declarations
interface SampleInstanceOf6 {
    instanceof: any;
}