code: private boolean matches10000( ApiDifference apiDiff )
      {
          throwIfMissing( false, false, true, true );
  
          int fromVersion = 0;
          int toVersion = 0;
          try
          {
              fromVersion = Integer.parseInt( from );
          }
          catch ( NumberFormatException e )
          {
              throw new IllegalArgumentException( "Failed to parse the \"from\" parameter as a number for " + this );
          }
  
          try
          {
              toVersion = Integer.parseInt( to );
          }
          catch ( NumberFormatException e )
          {
              throw new IllegalArgumentException( "Failed to parse the \"to\" parameter as a number for " + this );
          }
  
          String[] args = getArgs( apiDiff );
  
          int reportedOld = Integer.parseInt( args[0] );
          int reportedNew = Integer.parseInt( args[1] );
  
          return fromVersion == reportedOld && toVersion == reportedNew;
      }
docs: Class format version increased