}
    }

    /**
     * Sets the list of duplicate host rules.
     *
     * @param duplicateHostList the list of duplicate host rules to use
     */
    public void setDuplicateHostList(final List<DuplicateHost> duplicateHostList) {
        this.duplicateHostList = duplicateHostList;
    }

    /**
     * Adds a new duplicate host rule to the list.
     * Initializes the list if it doesn't exist.