/**
 * 完整的ARIA工具库
 * 支持WCAG 2.1 AAA级标准
 */
export interface AriaAttributes {
    'aria-label'?: string;
    'aria-labelledby'?: string;
    'aria-describedby'?: string;
    'aria-expanded'?: boolean;
    'aria-hidden'?: boolean;
    'aria-live'?: 'off' | 'polite' | 'assertive';
    'aria-atomic'?: boolean;
    'aria-relevant'?: string;
    'aria-busy'?: boolean;
    'aria-disabled'?: boolean;
    'aria-invalid'?: boolean | 'grammar' | 'spelling';
    'aria-required'?: boolean;
    'aria-readonly'?: boolean;
    'aria-multiline'?: boolean;
    'aria-autocomplete'?: 'none' | 'inline' | 'list' | 'both';
    'aria-haspopup'?: boolean | 'menu' | 'listbox' | 'tree' | 'grid' | 'dialog';
    'aria-controls'?: string;
    'aria-owns'?: string;
    'aria-flowto'?: string;
    'aria-activedescendant'?: string;
    role?: string;
    tabIndex?: number;
}
export declare class AriaManager {
    /**
     * 创建可访问的语言选择器属性
     */
    static createLanguageSelectorAria(isExpanded?: boolean): AriaAttributes;
    /**
     * 创建可访问的翻译文本属性
     */
    static createTranslationTextAria(originalText: string, translatedText: string, language: string): AriaAttributes;
    /**
     * 创建可访问的加载状态属性
     */
    static createLoadingAria(message?: string): AriaAttributes;
    /**
     * 创建可访问的错误状态属性
     */
    static createErrorAria(errorMessage: string): AriaAttributes;
    /**
     * 键盘导航支持
     */
    static handleKeyboardNavigation(event: KeyboardEvent, options: {
        onEnter?: () => void;
        onSpace?: () => void;
        onEscape?: () => void;
        onArrowUp?: () => void;
        onArrowDown?: () => void;
        onTab?: () => void;
    }): boolean;
    /**
     * 焦点管理
     */
    static createFocusManager(): {
        saveFocus: () => void;
        restoreFocus: () => void;
        trapFocus: (container: HTMLElement) => () => void;
    };
    /**
     * 高对比度模式支持
     */
    static createHighContrastSupport(): {
        isHighContrast: boolean;
        applyHighContrastStyles: () => void;
    };
    /**
     * 减动效模式支持
     */
    static createReducedMotionSupport(): {
        prefersReducedMotion: boolean;
        applyReducedMotionStyles: () => void;
    };
}
/**
 * 可访问性样式
 */
export declare const accessibilityStyles = "\n.ui18n-high-contrast {\n  --ui18n-border-width: 2px;\n  --ui18n-focus-outline: 3px solid #000;\n}\n\n.ui18n-reduced-motion * {\n  animation-duration: 0.01ms !important;\n  animation-iteration-count: 1 !important;\n  transition-duration: 0.01ms !important;\n}\n\n.ui18n-visually-hidden {\n  position: absolute !important;\n  width: 1px !important;\n  height: 1px !important;\n  padding: 0 !important;\n  margin: -1px !important;\n  overflow: hidden !important;\n  clip: rect(0, 0, 0, 0) !important;\n  white-space: nowrap !important;\n  border: 0 !important;\n}\n\n.ui18n-focus-visible:focus-visible {\n  outline: var(--ui18n-focus-outline, 2px solid #4285f4);\n  outline-offset: 2px;\n}\n";
//# sourceMappingURL=accessibility.d.ts.map