@type t() :: %ExGitEngine.GitIndexEntry{
  ctime: pos_integer() | :undefined,
  dev: pos_integer() | :undefined,
  file_size: non_neg_integer(),
  flags: pos_integer() | :undefined,
  flags_extended: pos_integer() | :undefined,
  gid: pos_integer() | :undefined,
  ino: pos_integer() | :undefined,
  mode: pos_integer(),
  mtime: pos_integer() | :undefined,
  oid: binary(),
  path: binary(),
  uid: pos_integer() | :undefined
}