public List<DockingActionIf> getHeaderActions(String ownerName) {
		if (headerPanel != null) {
			return headerPanel.getActions(ownerName);
		}
		return null;
	}
Sets whether or not the field header component is visible at the top of the listing panel

@param show if true, the header component will be show, otherwise it will be hidden.
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/listingpanel/ListingPanel.java