public byte @Nullable [] getBytes(FilePath path, VcsRevisionNumber number, @NotNull VcsKey vcsKey, @NotNull UniqueType type) {
    return myCache.getIfPresent(new Key(path, number, vcsKey, type));
  }
public byte @Nullable [] getBytes(FilePath path, VcsRevisionNumber number, @NotNull VcsKey vcsKey, @NotNull UniqueType type)