import * as i0 from '@angular/core';
import { OnInit, OnDestroy, EventEmitter, PipeTransform } from '@angular/core';

/**
 * structure for each page item
 */
interface Page {
    /** number of the page */
    number: number;
    /** text to be displayed for the page numeber */
    text: string;
    /** whether the page is active or not */
    active: boolean;
}
interface PaginatorPipeArgs {
    /** id of the pagination instance */
    id?: string;
    /** current page number, defaults to 1 */
    currentPage?: number;
    /** total items to be shown per page, defaults to 10 */
    itemsPerPage?: number;
}

/**
 * This is the directive where the actual pagination takes place, it provides a sync between the
 * pipes and the pagination component
 */
declare class AngularPaginatorDirective implements OnInit, OnDestroy {
    private angularPaginatorService;
    /**
     * Use unique id when multiple paginations are being used on the same page.
     * By Default Paginator uses id `ANGULAR_PAGINATOR_DEFAULT`
     */
    id: string;
    /**
     * Limit number for pagination size, i.e., the maximum page numbers to be displayed
     */
    maxSize?: number;
    /**
     * Whether to keep current page in the middle of the visible ones
     */
    rotate: boolean;
    /**
     * Whether to always display the first and last page numbers.
     * If max-size is smaller than the number of pages, then the first and last page numbers are still shown with ellipses
     * in-between as necessary. NOTE: max-size refers to the center of the range.
     * This option may add up to 2 more numbers on each side of the displayed range for the end value and
     * what would be an ellipsis but is replaced by a number because it is sequential
     */
    boundaryLinkNumbers: boolean;
    /**
     * Also displays ellipses when rotate is true and maxSize is smaller than the number of pages forceEllipses
     */
    forceEllipses: boolean;
    currentPage: number;
    firstPage: number;
    lastPage: number;
    pages: Page[];
    private subscription;
    /**
     * Emits an event whenever the current page is changed, It emits the current page number
     */
    pageChange: EventEmitter<number>;
    /**
     *
     * @param angularPaginatorService serivce for angular paginator
     */
    constructor();
    /**
     * Navigate to prevoius page
     */
    toPreviousPage(): void;
    /**
     * Navigate to next page
     */
    toNextPage(): void;
    /**
     * Navigate to first page
     */
    toFirstPage(): void;
    /**
     * Navigate to last page
     */
    toLastPage(): void;
    /**
     * Sets current page
     *
     * @param page page number to set as currentPage
     */
    setCurrentPage(page: number): void;
    /**
     *
     * @param page  page number to set
     */
    private setPage;
    /**
     * create page object used for template
     *
     * @param pageNumber page number
     * @param text page number, text to be displayed
     * @param isActive whether the page is active or not, true for currentPage
     */
    private makePage;
    /**
     *  computes the page limit
     *
     * @param currentPage current page number
     * @param itemsPerPage total items per page
     * @param totalItems no of items for pagination, usually array length
     */
    private computePageLimits;
    /**
     *  create page array
     *
     * @param currentPage current page number
     * @param itemsPerPage total items per page
     * @param totalItems no of items for pagination, usually array length
     */
    private getPages;
    /**
     * Updates the pagination component
     */
    private updatePages;
    /**
     * Check if currentPage is out of bound with totalPages
     *
     * @param instance instance for which the range is to be corrected
     */
    private outOfBoundCorrection;
    /**
     * check if there is any instance registered with the id
     */
    isValidId(): void;
    ngOnInit(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AngularPaginatorDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<AngularPaginatorDirective, "angularPaginator, [angularPaginator]", ["angularPaginator"], { "id": { "alias": "id"; "required": false; }; "maxSize": { "alias": "maxSize"; "required": false; }; "rotate": { "alias": "rotate"; "required": false; }; "boundaryLinkNumbers": { "alias": "boundaryLinkNumbers"; "required": false; }; "forceEllipses": { "alias": "forceEllipses"; "required": false; }; }, { "pageChange": "pageChange"; }, never, never, true, never>;
}

/**
 * Pagination Pipe which paginates the array for the provided arguments such as `itemsPerPage` and `currentPage`
 */
declare class AngularPaginatorPipe implements PipeTransform {
    private angularPaginatorService;
    /**
     * this pipes paginates the array for the provided arguments such as `itemsPerPage` and `currentPage`
     *
     * @param array input array for which the manipulation happens
     * @param args input arguments for the paginator pipe
     */
    transform<T>(array: T[], args?: PaginatorPipeArgs): T[];
    /**
     * create an instance for each pipe
     *
     * @param array input array for which the manipulation happens
     * @param args input arguments for the paginator pipe
     */
    private createInstance;
    static ɵfac: i0.ɵɵFactoryDeclaration<AngularPaginatorPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<AngularPaginatorPipe, "angularPaginator", true>;
}

declare class AngularPaginatorModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<AngularPaginatorModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<AngularPaginatorModule, never, [typeof AngularPaginatorDirective, typeof AngularPaginatorPipe], [typeof AngularPaginatorDirective, typeof AngularPaginatorPipe]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<AngularPaginatorModule>;
}

export { AngularPaginatorDirective, AngularPaginatorModule, AngularPaginatorPipe };