@chatterton/angular2-schema-form/src/schema-form/defaultwidgets/file/file.widget.ts

Angular2 Schema Form (DISCLAIMER: it is not related to angular-schema-form)

import { Component } from '@angular/core';

import { ControlWidget } from '../../widget';

@Component({
  selector: 'sf-file-widget',
  template: require('./file.widget.html')
})
export class FileWidget extends ControlWidget {

  constructor() {
    super();
  }
}