@Nonnull
	default IconProvider getPackageIconProvider(@Nonnull Workspace workspace,
												@Nonnull WorkspaceResource resource,
												@Nonnull ClassBundle<? extends ClassInfo> bundle,
												@Nonnull String packageName) {
		return emptyProvider();
	}
@param workspace
		Containing workspace.
@param resource
		Containing resource.
@param bundle
		Containing bundle.
@param packageName
		The full package name, separated by {@code /}.

@return Icon provider for the package.
recaf-ui/src/main/java/software/coley/recaf/services/cell/icon/PackageIconProviderFactory.java