* removing one constructor from JoinQO that had the same number of arguments...

        this(mu, Integer.MAX_VALUE, skipSymmetricPairs, answerType);

        this(mu, Integer.MAX_VALUE, skipSymmetricPairs, answerType);

    }

    }

    /**

     * Creates a new instance of JoinQueryOperation for a given distance threshold and maximal number of pairs to return.

     * Objects in qualifying pairs added to answer are updated to {@link AnswerType#NODATA_OBJECTS no-data objects}.

     * @param mu the distance threshold

     * @param k the number of nearest pairs to retrieve

     * @param skipSymmetricPairs flag whether symmetric pairs should be avoided in the answer

     */

    @AbstractOperation.OperationConstructor({"Distance threshold", "Number of nearest pairs", "Skip symmetric pairs"})

    public JoinQueryOperation(float mu, int k, boolean skipSymmetricPairs) {

        this(mu, k, skipSymmetricPairs, AnswerType.NODATA_OBJECTS);

    }

    /**

    /**

     * Creates a new instance of JoinQueryOperation for a given distance threshold and maximal number of objects to return.

     * Creates a new instance of JoinQueryOperation for a given distance threshold and maximal number of objects to return.

     * @param mu the distance threshold

     * @param mu the distance threshold