@Nonnull
	default SortedSet<FilePathNode> findFiles(@Nonnull Predicate<FileInfo> filter) {
		return filesStream()
				.filter(node -> filter.test(node.getValue()))
				.collect(Collectors.toCollection(TreeSet::new));
	}
@param filter
		File filter.

@return Files matching the given filter.
recaf-core/src/main/java/software/coley/recaf/workspace/model/Workspace.java