@SuppressWarnings("BooleanMethodIsAlwaysInverted")
		boolean isSuccess() {
			return this.status == BluetoothGatt.GATT_SUCCESS;
		}
Asserts that the synchronous method was not called from the UI thread.

@throws IllegalStateException when called from a UI thread.
ble/src/main/java/no/nordicsemi/android/ble/Request.java