export declare function sortItems<T extends Record<string, unknown>>(items: T[], sortByField: string, direction: "asc" | "desc"): T[];
export declare function filterItems<T extends Record<string, unknown>>(items: T[], filterField: string, filterContains: string): T[];
export declare function applyCollectionOperators<T extends Record<string, unknown>>(items: T[], opts: {
    filterField?: string;
    filterContains?: string;
    sortBy?: string;
    sortDir?: "asc" | "desc";
    startAt?: number;
    limit?: number;
    status?: string;
}): {
    items: T[];
    totalBeforeLimit: number;
};
export declare function groupItems<T extends Record<string, unknown>>(items: T[], groupByField: string): {
    label: string;
    items: T[];
}[];