public KeyStroke getKeyStroke() {
		return keyStroke;
	}
A convenience constructor for creating an action trigger with either or both values set.  At
least one of the values must be non-null. 

@param keyStroke the key stroke; may be null
@param mouseBinding the mouse binding; may be null
Ghidra/Framework/Gui/src/main/java/ghidra/framework/options/ActionTrigger.java