/**
 * 可访问性工具函数
 */
export interface AccessibilityOptions {
    announceChanges?: boolean;
    enableKeyboardNavigation?: boolean;
    focusManagement?: boolean;
}
export declare class AccessibilityManager {
    private options;
    private liveRegion;
    constructor(options?: AccessibilityOptions);
    /**
     * 创建屏幕阅读器实时区域
     */
    private setupLiveRegion;
    /**
     * 向屏幕阅读器宣布消息
     */
    announce(message: string, priority?: 'polite' | 'assertive'): void;
    /**
     * 生成键盘事件处理器
     */
    createKeyboardHandler(callbacks: {
        onEnter?: () => void;
        onEscape?: () => void;
        onSpace?: () => void;
        onArrowUp?: () => void;
        onArrowDown?: () => void;
        onTab?: (event: KeyboardEvent) => void;
    }): (event: KeyboardEvent) => void;
    /**
     * 生成ARIA属性
     */
    getAriaProps(config: {
        role?: string;
        label?: string;
        description?: string;
        expanded?: boolean;
        hasPopup?: boolean;
        controls?: string;
        owns?: string;
    }): Record<string, string | boolean>;
    /**
     * 焦点管理
     */
    manageFocus(element: HTMLElement | null, options?: {
        preventScroll?: boolean;
        restoreFocus?: HTMLElement;
    }): {
        restore: () => void;
    };
    /**
     * 检查元素是否可访问
     */
    validateAccessibility(element: HTMLElement): {
        valid: boolean;
        issues: string[];
    };
    /**
     * 清理资源
     */
    destroy(): void;
}
export declare const accessibilityManager: AccessibilityManager;
export declare const announce: (message: string, priority?: "polite" | "assertive") => void;
export declare const createKeyboardHandler: (callbacks: Parameters<AccessibilityManager["createKeyboardHandler"]>[0]) => (event: KeyboardEvent) => void;
export declare const getAriaProps: (config: Parameters<AccessibilityManager["getAriaProps"]>[0]) => Record<string, string | boolean>;
export declare const manageFocus: (element: HTMLElement | null, options?: Parameters<AccessibilityManager["manageFocus"]>[1]) => {
    restore: () => void;
};
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