code: static <API, T> Pair<API, ICancelable> proxy(final android.support.v4.app.Fragment fragment, final API api, Util.Consumer<T> resultFnc, Util.Consumer<Exception> errorFnc) {
  		return proxy(fragment, api, resultFnc, errorFnc, DEFAULT_FINAL_FNC);
  	}
docs: no finalFnc