@NonNull
	static WaitForValueChangedRequest newWaitForWriteRequest(
			@Nullable final BluetoothGattDescriptor descriptor) {
		return new WaitForValueChangedRequest(Type.WAIT_FOR_WRITE, descriptor);
	}
Creates new Wait For Write request. The request will not be executed if given
descriptor is null After the operation is complete a proper callback will be invoked.
<p>
If the write should be triggered by another operation (for example writing an
op code), set it with {@link WaitForValueChangedRequest#trigger(Operation)}.

@param descriptor descriptor that should be written by the remote device.
@return The new request.
ble/src/main/java/no/nordicsemi/android/ble/Request.java