2 * Copyright (c) 2016, Facebook, Inc.
5 * This source code is licensed under the MIT license found in the
6 * LICENSE file in the "hack" directory of this source tree.
11 * The type result is an optional trie.
12 * The trie leaves are maps from strings of filenames to level_stats for those
14 * The trie nodes are leaves paired with a map from strings of directory names
19 Coverage_level_defs.level_stats
SMap.t
Coverage_level_defs.trie
option