import { IZDataRequest } from './data-request.mjs';
/**
 * A representation of how to retrieve data from a given system or location.
 *
 * @param T -
 *        The type of data that the system will return.
 */
export interface IZDataSource<T> {
    /**
     * Retrieves the total count of data items before pagination.
     *
     * @param request -
     *        The data request being made.  The page and size fields
     *        are ignored in this instance.
     *
     * @returns
     *        The total number of items across pages that the request
     *        data set will represent.
     */
    count(request: IZDataRequest): Promise<number>;
    /**
     * Retrieves a single page of data.
     *
     * @param request -
     *        The data request that contains the sorting, filtering,
     *        search, and pagination info to construct a data view.
     *
     * @returns
     *        A single page of data elements.
     */
    retrieve(request: IZDataRequest): Promise<T[]>;
}