void setClipboardService(ClipboardService service) {
		clipboardService = service;
		if (clipboardService != null) {
			clipboardService.registerClipboardContentProvider(clipboardProvider);
		}
	}
Gets the text of the current {@link ProgramSelection}

@return the text
Ghidra/Features/ByteViewer/src/main/java/ghidra/app/plugin/core/byteviewer/ProgramByteViewerComponentProvider.java