}
        duplicateHostList.add(duplicateHost);
    }

    /**
     * Converts a URL using all configured duplicate host rules.
     * Applies each duplicate host rule in sequence to transform the URL
     * according to the configured patterns.
     *
     * @param url the URL to convert
     * @return the converted URL after applying all duplicate host rules,

         */
        QueryBuilder execute(final QueryContext context, final Query query, final float boost, final FilterChain chain);
    }

    /**
     * Interface for filter chains that process queries through a sequence of filters.
     * This follows the Chain of Responsibility pattern for query processing.
     */
    public interface FilterChain {
        /**
         * Executes the filter chain on the given query.
         *

        }
    }

    @Override
    protected Number doReadNextVal() {
        final String msg = "This table is NOT related to sequence: " + asEsIndexType();
        throw new UnsupportedOperationException(msg);
    }

    @Override

        }
    }

    @Override
    protected Number doReadNextVal() {
        final String msg = "This table is NOT related to sequence: " + asEsIndexType();
        throw new UnsupportedOperationException(msg);
    }

    @Override

        }
    }

    @Override
    protected Number doReadNextVal() {
        final String msg = "This table is NOT related to sequence: " + asEsIndexType();
        throw new UnsupportedOperationException(msg);
    }

    @Override

    }

    // ============================================================
    // System and UI Constants
    // ============================================================

    /** System line separator character sequence. */
    public static final String LINE_SEPARATOR = System.lineSeparator();

    /** Default page number for admin interface pagination. */
    public static final int DEFAULT_ADMIN_PAGE_NUMBER = 1;

# Field name for document ID in the index.
index.field.doc_id=doc_id
# Field name for internal ID in the index.
index.field.id=_id
# Field name for version in the index.
index.field.version=_version
# Field name for sequence number in the index.
index.field.seq_no=_seq_no
# Field name for primary term in the index.
index.field.primary_term=_primary_term
# Field name for language in the index.
index.field.lang=lang

    /**
     * Deletes a document from the specified index with optimistic concurrency control.
     *
     * @param index       the index name
     * @param id          the document ID
     * @param seqNo       the sequence number for optimistic concurrency control
     * @param primaryTerm the primary term for optimistic concurrency control
     * @return true if the document was deleted successfully, false otherwise

     */
    String getIndexFieldVersion();

    /**
     * Get the value for the key 'index.field.seq_no'. <br>
     * The value is, e.g. _seq_no <br>
     * comment: Field name for sequence number in the index.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexFieldSeqNo();

    /**