if (treeType == TreeType.FILE) {
            if (isDirEntry) {
                throw new IllegalStateException("Should be a file: " + treeName);
            }
            RegularFileSnapshot fileSnapshot = unpackFile(input, rootEntry, treeRoot, treeRoot.getName());
            snapshots.put(treeName, fileSnapshot);
            return input.getNextEntry();
        }

        if (!isDirEntry) {