import { Observable } from 'rxjs';
/**
 * The state of a pagination.
 * @category Database
 */
export interface PaginationState<ReturnType> {
    /** The page data. */
    data: Array<ReturnType>;
    /** Whether there is a next page. */
    hasNext: boolean;
    /** Whether there is a previous page. */
    hasPrev: boolean;
}
/**
 * Pagination options.
 * @category Database
 */
export interface PaginationOptions {
    /** Whether to show real-time updates. Defaults to true. */
    subscribe: boolean;
    /** The number of items in a page. Defaults to 100. */
    pageSize: number;
}
/**
 * Pagination provides a paginated view over a dataset, supporting navigation
 * through pages, real-time updates, and sorting based on predefined criteria.
 * @category Database
 */
export declare class Pagination<ReturnType> {
    private readonly paginateOptions;
    private internalStateObserver;
    private firstElement;
    private readonly isDestroyed;
    private templateSnapshotEmitter;
    private snapshotSubject;
    private onFirstPage;
    private navigatingToLastPage;
    private lastElement;
    private goToFirstPage;
    private compareObjects;
    private dataReceived;
    private doNewQuery;
    private waitForInternalState;
    private internalStateToState;
    /** Unsubscribes from the pagination. */
    unsubscribe(): void;
    private prevInternal;
    /** Returns a promise that resolves when the previous page of data is available. */
    prev(): Promise<PaginationState<ReturnType>>;
    /** Returns a promise that resolves when the next page of data is available. */
    next(): Promise<PaginationState<ReturnType>>;
    /** Returns a promise that resolves when the page data is available. */
    waitForData(): Promise<PaginationState<ReturnType>>;
    /** Returns an observable that emits the current state of the pagination. */
    observeState(): Observable<PaginationState<ReturnType>>;
    /** Jumps to the first page of the pagination. */
    first(): Promise<PaginationState<ReturnType>>;
    /** Refreshes the current page of the pagination. */
    refreshPage(): Promise<PaginationState<ReturnType>>;
    /**
     * Jumps to the last page of the pagination. This page will always have the last `pageSize` elements of the
     * underlying query, regardless of whether the total document count is evenly divisible by the page size.
     */
    last(): Promise<PaginationState<ReturnType>>;
}