* @param propertyKey The key of the property. (NotNull)
     * @return The value of found property. (NotNull: if not found, exception)
     * @throws ConfigPropertyNotFoundException When the property is not found.
     */
    String get(String propertyKey);

    /**
     * Is the property true?
     * @param propertyKey The key of the property which is boolean type. (NotNull)

constraints.Future.message      = {item} must be in the future.
constraints.Max.message         = {item} must be less than or equal to {value}.
constraints.Min.message         = {item} must be greater than or equal to {value}.
constraints.NotNull.message     = {item} may not be null.
constraints.Null.message        = {item} must be null.
constraints.Past.message        = {item} must be in the past.
constraints.Pattern.message     = {item} must match "{regexp}".

     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

    /**
     * Set the value of jobname, used in parameter comment. <br>
     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param jobname The parameter value of jobname. (NotNull)
     */

    @FunctionalInterface
    public interface ConditionOptionCall<OP extends AbstractAggregationBuilder<?>> {

        /**
         * @param op The option of condition to be set up. (NotNull)
         */
        void callback(OP op);
    }

    @FunctionalInterface
    public interface OperatorCall<CA extends EsAbstractConditionAggregation> {

        void callback(CA query);
    }

constraints.Digits.message = {item}은 숫자값이어야 합니다. (기대 값 : <숫자값>.<숫자값>)
constraints.Future.message = {item}은 미래에 있어야 합니다.
constraints.Max.message = {item}는 {value} 다음에 하십시오.
constraints.Min.message = {item}는 {value} 이상으로 하십시오.
constraints.NotNull.message = {item}은 null이면 안됩니다.
constraints.Null.message = {item}는 null이 아니면 안됩니다.
constraints.Past.message = {item}은 과거의 값으로 해야 합니다.
constraints.Pattern.message = {item}가 「{regexp}」 에 일치하지 않습니다.

    @FunctionalInterface
    public interface ConditionOptionCall<OP extends AbstractAggregationBuilder<?>> {

        /**
         * @param op The option of condition to be set up. (NotNull)
         */
        void callback(OP op);
    }

    @FunctionalInterface
    public interface OperatorCall<CA extends EsAbstractConditionAggregation> {

        void callback(CA query);
    }

        }
    }

    @FunctionalInterface
    public interface ConditionOptionCall<OP extends QueryBuilder> {

        /**
         * @param op The option of condition to be set up. (NotNull)
         */
        void callback(OP op);
    }

    @FunctionalInterface
    public interface BoolCall<CQ extends EsAbstractConditionQuery> {

        }
    }

    @FunctionalInterface
    public interface ConditionOptionCall<OP extends QueryBuilder> {

        /**
         * @param op The option of condition to be set up. (NotNull)
         */
        void callback(OP op);
    }

    @FunctionalInterface
    public interface BoolCall<CQ extends EsAbstractConditionQuery> {

constraints.Future.message      = {item} must be in the future.
constraints.Max.message         = {item} must be less than or equal to {value}.
constraints.Min.message         = {item} must be greater than or equal to {value}.
constraints.NotNull.message     = {item} may not be null.
constraints.Null.message        = {item} must be null.
constraints.Past.message        = {item} must be in the past.
constraints.Pattern.message     = {item} must match "{regexp}".

        }
    }

    @FunctionalInterface
    public interface ConditionOptionCall<OP extends QueryBuilder> {

        /**
         * @param op The option of condition to be set up. (NotNull)
         */
        void callback(OP op);
    }

    @FunctionalInterface
    public interface BoolCall<CQ extends EsAbstractConditionQuery> {