@Nonnull
	public AstAvailabilityButton getAvailabilityButton() {
		return astAvailabilityButton;
	}
This button visually tells user the state of the AST parse, and is clickable for more information.
It is intended to be added to {@link ToolsContainerComponent}.

@return UI button/label detailing the current availability of the {@link #getUnit() AST unit}.
recaf-ui/src/main/java/software/coley/recaf/ui/control/richtext/source/JavaContextActionSupport.java