private Component buildSelectAllPanel() {
		JPanel panel = new JPanel(new FlowLayout(FlowLayout.CENTER, 30, 10));
		JButton selectAllButton = new JButton("Select All");
		JButton deselectAllButton = new JButton("Deselect All");
		selectAllButton.addActionListener(e -> selectAllTypes());
		deselectAllButton.addActionListener(e -> deselectAllTypes());
		panel.add(selectAllButton);
		panel.add(deselectAllButton);
		return panel;
	}
Returns the query generated by the dialog when the "Ok" button is pressed or null if the
dialog was cancelled.
@return the SearchAndReplaceQuery generated by the information in the dialog when the 
"Ok" button is pressed, or null if the dialog was cancelled.
Ghidra/Features/Base/src/main/java/ghidra/features/base/replace/SearchAndReplaceDialog.java