private String getGroup(ComponentProvider provider) {
		String providerGroup = provider.getWindowGroup();
		if (providerGroup == null || providerGroup.isEmpty()) {
			return ComponentProvider.DEFAULT_WINDOW_GROUP;
		}
		return providerGroup;
	}
Sets the component provider for this placeholder
@param newProvider the new provider
Ghidra/Framework/Docking/src/main/java/docking/ComponentPlaceholder.java