code: public void setAttribute(Object object, String attribute, Object newValue) {
          setAttribute(theClass, object, attribute, newValue, false, false);
      }
docs: Sets the value of an attribute (field). This method is to support the Groovy runtime and not for general client API usage.
  
  @param object The object to get the attribute from
  @param attribute The name of the attribute
  @param newValue The new value of the attribute