docs: public String getParent() {
          String str = url.getAuthority();
  
          if( str.length() > 0 ) {
              StringBuffer sb = new StringBuffer( "smb1://" );
  
              sb.append( str );
  
              getUncPath0();
              if( canon.length() > 1 ) {
                  sb.append( canon );
              } else {
                  sb.append( '/' );
              }
  
              str = sb.toString();
  
              int i = str.length() - 2;
              while( str.charAt( i ) != '/' ) {
                  i--;
              }
  
              return str.substring( 0, i + 1 );
          }
  
          return "smb1://";
      }