protected void setActiveSide(Side side) {
		activeSide = side;
		getComparisonComponent(side).setBorder(ACTIVE_BORDER);
		getComparisonComponent(side.otherSide()).setBorder(NON_ACTIVE_BORDER);
	}
Notification to subclasses that the comparison data has changed
Ghidra/Features/Base/src/main/java/ghidra/features/base/codecompare/panel/CodeComparisonPanel.java