@Nonnull
	public TextProvider getPackageTextProvider(@Nonnull Workspace workspace,
											   @Nonnull WorkspaceResource resource,
											   @Nonnull ClassBundle<? extends ClassInfo> bundle,
											   @Nonnull String packageName) {
		return () -> {
			if (packageName.isEmpty())
				return Lang.get("tree.defaultpackage");
			return formatConfig.filter(packageName);
		};
	}
@param workspace
		Containing workspace.
@param resource
		Containing resource.
@param bundle
		Containing bundle.
@param packageName
		The full package name, separated by {@code /}.

@return Text provider for the package.
recaf-ui/src/main/java/software/coley/recaf/services/cell/text/TextProviderService.java