//@ts-ignore
import React, { Component } from 'react';
//@ts-ignore
import { ViewerStatus } from '@grapecity/viewer-core';
import GcPdfViewer from '../../GcPdfViewer';
/**
 * Props for the NavigationControl component
 */
export type NavigationControlProps = {
    /**
     * The PDF viewer instance
     */
    viewer: GcPdfViewer;
    /**
     * Optional CSS class name for the root element
     */
    className?: string;
};
/**
 * State of the NavigationControl component
 */
export type NavigationControlModel = {
    disabled?: boolean;
    version?: number;
    status: ViewerStatus;
    fullscreen: boolean;
    hasView: boolean;
    canGoBackward: boolean;
    canGoForward: boolean;
    canRefresh: boolean;
    pageCount: number;
    pageIndex: number;
};
/**
 * Navigation control component for PDF viewer with customizable buttons, keyboard shortcuts,
 * and page navigation features.
 */
export declare class NavigationControl extends Component<NavigationControlProps, NavigationControlModel> {
    private _unregisterViewerStateChange?;
    /**
     * Default navigation control options
     */
    private static defaultOptions;
    private _outerElement;
    constructor(props: NavigationControlProps);
    componentDidMount(): void;
    componentWillUnmount(): void;
    /**
     * Gets the merged navigation options from viewer options and defaults
     */
    private get navigationOptions();
    /**
     * Formats the page counter text according to the specified format
     */
    private getPageCounterText;
    /**
     * Handles viewer state changes and updates component state accordingly
     */
    private onStateChange;
    getActualStateFromViewer(): {
        status: ViewerStatus;
        fullscreen: boolean;
        hasView: boolean;
        canRefresh: boolean;
        canGoBackward: boolean;
        canGoForward: boolean;
        pageIndex: number;
        pageCount: number;
    };
    /**
     * Handles navigation button clicks with support for Ctrl+click to jump to first/last page
     */
    private handleNavigationClick;
//@ts-ignore
//@ts-ignore
    render(): React.JSX.Element;
    private _updateButtonSizing;
    private onPageInputFocus;
    private navigateTo;
    private onPageInputBlur;
    /**
     * Handles keyboard events in the page input field with smarter arrow key navigation
     * - Enter: Navigates to the entered page
     * - ArrowRight: Next page (only when cursor at end)
     * - ArrowLeft: Previous page (only when cursor at start)
     * - ArrowUp/Down: Next/Previous page (always)
     * - Home: First page
     * - End: Last page
     * - Escape: Cancel input
     */
    private onPageInputPress;
}