private void showFilterPanel(boolean selected) {
		if (selected) {
			mainPanel.add(filterPanel, BorderLayout.SOUTH);
		}
		else {
			mainPanel.remove(filterPanel);
		}
		mainPanel.getParent().revalidate();
	}
A {@link ComponentProvider} that is the UI component of the {@link SampleGraphPlugin}.  This
shows a graph of the plugins in the system.
Ghidra/Extensions/sample/src/main/java/ghidra/examples/graph/SampleGraphProvider.java