docs: @ReturnsMutableObject ("Speed")
    @SuppressFBWarnings ("EI_EXPOSE_REP")
    @Nullable
    public byte [] directGet ()
    {
      if (isInMemory ())
      {
        _ensureCachedContentIsPresent ();
        return m_aCachedContent;
      }
  
      return SimpleFileIO.getAllFileBytes (m_aDFOS.getFile ());
    }