code: function SiteWordAdsTOS( sid, wpcom ) {
  	if ( ! ( this instanceof SiteWordAdsTOS ) ) {
  		return new SiteWordAdsTOS( sid, wpcom );
  	}
  
  	this._sid = sid;
  	this.wpcom = wpcom;
  }
docs: `SiteWordAdsTOS` constructor.
  
  *Example:*
  // Require `wpcom-unpublished` library
  var wpcomUnpublished = require( 'wpcom-unpublished' );
  
  // Create a `wpcomUnpublished` instance
  var wpcom = wpcomUnpublished();
  
  // Create a `SiteWordAdsTOS` instance
  var wordAds = wpcom
  .site( 'my-blog.wordpress.com' )
  .wordAds()
  .tos();
  
  @constructor
  @param {wpcomUnpublished} wpcom
  @public