title: What is Forbidden constructor, use a literal or simple function call instead error by gulp tslint?
body: <p>I am working on angular 2 application using ag-grid plugin and gulp as build tool -</p>
  
  <pre><code>   #225 function onPageSizeChanged(pageSize) {
     #226     this.pageSize = new Number(pageSize);
          createNewDatasource();
      }
  </code></pre>
  
  <p>I am getting below error message for above code -</p>
  
  <blockquote>
    <p>[gulp-tslint] error app/app.component.ts[226, 21]: Forbidden constructor, use a literal or simple function call instead</p>
  </blockquote>
  
  <p>Please let me know if this information is not sufficient, I will provide further details. 
  Thanks in advance.</p>