code: public boolean is(String property, Type type) {
  		if (super.has(property)) {
  			return get(property).is(type);
  		}
  		return false;
  	}
docs: Returns whether the property is instance of the given type.
  
  @param property
  the property
  @param type
  the type
  @return <ul>
  <li><code>true</code> property is instance of type</li>
  <li><code>false</code> property is not an instance of type or it doesn't exist.</li>
  </ul>