/**
 * Utility class for building IT Glue API query parameters (filtering, sorting, pagination, includes).
 */
export declare class QueryUtil {
    /**
     * Recursively build filter params for nested filters and arrays.
     * @param filters Object of filter key-value pairs (can be nested or arrays)
     * @param prefix Internal use for recursion
     * @returns Object with filter parameters
     */
    static buildFilterParams(filters?: Record<string, unknown>, prefix?: string): Record<string, unknown>;
    /**
     * Build sort parameters in IT Glue format: sort=field,-field
     * @param sortFields Array of field names (or a single string)
     * @returns Object with sort parameter
     */
    static buildSortParams(sortFields?: string | string[]): Record<string, string>;
    /**
     * Build full query params object (filters, sort, pagination, includes)
     * @param options Object with filters, sort, page, pageSize, include
     * @returns Object with all query parameters
     */
    static buildQueryParams(options?: {
        filters?: Record<string, unknown>;
        sort?: string | string[];
        page?: number;
        pageSize?: number;
        include?: string | string[];
    }): Record<string, unknown>;
}