private void selectAllTypes() {
		for (JCheckBox checkBox : typeCheckboxes) {
			checkBox.setSelected(true);
		}
		selectedTypes.addAll(allTypes);
		updateDialogStatus();
	}
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