import { PaginationState } from '../contracts/dataGridContract';
import { default as GridModel } from './gridModel';
/**
 * Pagination concern: navigation state + derived row range for the bottom bar / pager.
 * The coupled mutations (page-reset on filter/sort, server-state events) live on GridModel;
 * this model owns the navigation behavior and derivations the UI needs.
 */
export default class PaginationModel<TRow> {
    readonly grid: GridModel<TRow>;
    constructor(grid: GridModel<TRow>);
    get isPaginated(): boolean;
    get state(): PaginationState | undefined;
    get pageSizeOptions(): number[] | undefined;
    get page(): number;
    get pageSize(): number;
    get totalPages(): number;
    get totalItems(): number;
    get canGoPrev(): boolean;
    get canGoNext(): boolean;
    /** 1-based index of the first row on the current page. */
    get startItem(): number;
    /** 1-based index of the last row on the current page (clamped to totalItems). */
    get endItem(): number;
    changePage: (page: number) => void;
    changePageSize: (size: number) => void;
    firstPage: () => void;
    prevPage: () => void;
    nextPage: () => void;
    lastPage: () => void;
    /** Parse a raw page-jump input and navigate (clamped to [1, totalPages]); ignores non-numeric input. */
    jumpToPage: (raw: string) => void;
}