private void displayInitialPhaseMessage(String[] phaseIndicator, String phaseMessage) {
		mergeManager.setInProgress(phaseIndicator);
		mergeManager.showDefaultMergePanel(phaseMessage);
		mergeManager.updateProgress(0, phaseMessage);
	}
Updates the phase status and message information in the mergeManager.
@param phaseIndicator indicates the phase for the merge manager to change to "In Progress".
@param phaseMessage text indicating what this phase will be merging.
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/ListingMergeManager.java