public B toolBarIcon(Icon icon) {
		toolbarIcon = icon;
		return self();
	}
Sets the icon to use in this action's tool bar button.  Setting this attribute is what 
causes the action to appear on the tool's or component provider's action tool bar.

@param icon the icon to use in the action's tool bar
@return this builder (for chaining)
@see #toolBarIcon(String)
Ghidra/Framework/Docking/src/main/java/docking/action/builder/AbstractActionBuilder.java