Angular2 Call a method of Other class exist in same Typescript
<p><strong>I want to call a method of Class1 - sometMethod() from other method of Class2</strong></p>

<p><strong>How is that possible?</strong></p>

<p>Both Classes are exist in same Typescript.</p>

<pre class="lang-js prettyprint-override"><code>export class Class1 {

    constructor(public nav: NavController, public formBuilder: FormBuilder, public viewCtrl: ViewController) {
        this.nav = nav;
    }

    sometMethod() {
      console.log("someMethod of Class1");
    }
}


export class Class2 {

    constructor(public nav: NavController, public formBuilder: FormBuilder, public viewCtrl: ViewController) {
        this.nav = nav;
    }

    sometOtherMethod() {
      console.log("someOtherMethod of Class2");
      //I want to call a method of Class1 - sometMethod()
      //How is that possible?
      //Class1.someMethod(); //Does not Worked!!
    }
}
</code></pre>