class SampleIf3 {
    // class variables
    private if;
}

// class properties
class SampleIf4 {
    private var;
    set if(value) {}
    get if() {
        return this.var;
    }
}

class SampleIf5 {
    if() {} // class methods
}

// interface declarations
interface SampleIf6 {
    if: any;
}