@Override
	void updateProgressDetails(String progressDescription) {
		provider.updateProgressDetails(progressDescription);
	}
Sets the message below the progress meter in the current phase progress area.

@param progressDescription the new text message to display. If null, then the default message
           is displayed.
Ghidra/Features/Base/src/main/java/ghidra/app/merge/ProgramMergeManagerPlugin.java