R.isSuccess(R result);

R.isNotSuccess(R result);

R.getData(R result);

R.success();

R.success(Object data);

R.status(boolean status, String msg);

R.status(boolean status, IResultCode sCode);

R.fail(String msg);

R.fail(IResultCode rCode);

R.fail(IResultCode rCode, String msg);

R.throwOnFail(R<?> result);

R.throwOnFail(R<?> result, IResultCode rCode);

R.throwOnFail(R<?> result, IResultCode rCode, String msg);

R.throwOnFalse(boolean status, IResultCode rCode);

R.throwOnFalse(boolean status, IResultCode rCode, String msg);

R.throwFail(IResultCode rCode);

R.throwFail(IResultCode rCode, String message);