@Override
	public ProgramSelection getHighlight() {
		return mergePanel.getFocusedListingPanel().getProgramHighlight();
	}
Determine if the listing panels should be rendered.
<p>
NOTE: This is provided for testing performance reasons only.

@return true if listing panels should be rendered
Ghidra/Features/Base/src/main/java/ghidra/app/merge/ProgramMultiUserMergeManager.java