private void createActions() {
		tool.addLocalAction(this, new ToggleHeaderAction());

		toggleHoverAction = new ToggleHoverAction();
		tool.addLocalAction(this, toggleHoverAction);

		tool.addLocalAction(this, new ExpandAllDataAction(this));
		tool.addLocalAction(this, new CollapseAllDataAction(this));
		tool.addLocalAction(this, new ToggleExpandCollapseDataAction(this));

		cloneCodeViewerAction = new CloneCodeViewerAction(plugin.getName(), this);
		addLocalAction(cloneCodeViewerAction);

		DockingAction action = new GotoPreviousFunctionAction(tool, plugin.getName());
		tool.addAction(action);

		action = new GotoNextFunctionAction(tool, plugin.getName());
		tool.addAction(action);

	}
TODO: Remove or rename this to something that accommodates redirecting writes, e.g., to a
debug target process, particularly for assembly, which may involve code unit modification
after a successful write, reported asynchronously :/ .

@return true if this listing represents a read-only view
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/codebrowser/CodeViewerProvider.java