private synchronized void setFileTimes(
      FileTime creationTime, FileTime lastModifiedTime, FileTime lastAccessTime) {
    this.creationTime = creationTime;
    this.lastModifiedTime = lastModifiedTime;
    this.lastAccessTime = lastAccessTime;
  }
Copies basic attributes (file times) from this file to the given file.
jimfs/src/main/java/com/google/common/jimfs/File.java