@NonNull
	public ReadRequest merge(@NonNull final DataMerger merger) {
		this.dataMerger = merger;
		this.progressCallback = null;
		return this;
	}
Adds a merger that will be used to merge multiple packets into a single Data.
The merger may modify each packet if necessary.

@return The request.
ble/src/main/java/no/nordicsemi/android/ble/ReadRequest.java