List<String[]> switchAliasesCalls = new ArrayList<>();

        // Track which indices "exist" for fine-grained control
        Set<String> existingIndices = new HashSet<>();
        boolean useExistingIndicesSet = false;

        // Track document count calls to distinguish source vs backup
        private int getDocumentCountCallIndex = 0;

        // Track alias count calls to distinguish pre vs post rebuild

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this duplicate host configuration.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this duplicate host configuration was last updated.

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this role.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this role was last updated.
     * Stored as a long value representing milliseconds since epoch.

     */
    @Required
    public String queryId;

    /**
     * Order or ranking position of the document in search results.
     * This optional field helps track which result position was clicked.
     */
    public Integer order;

    // for error page

    /**
     * Query string parameter for error page fallback.

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this label type.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this label type was last updated.
     * Stored as a long value representing milliseconds since epoch.

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this request header configuration.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this request header configuration was last updated.

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this elevate word configuration.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this elevate word configuration was last updated.

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this group.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this group was last updated.
     * Stored as a long value representing milliseconds since epoch.

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this related content configuration.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this related content configuration was last updated.

     */
    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this web authentication configuration.
     * Used for audit trail purposes to track who made changes.
     * Maximum length is 255 characters.
     */
    @Size(max = 255)
    public String updatedBy;

    /**
     * The timestamp when this web authentication configuration was last updated.