import { AccessibilityRole, AccessibilityState } from 'react-native';
/**
 * Generate accessible label with context
 */
export declare const createAccessibleLabel: (label: string, context?: {
    required?: boolean;
    invalid?: boolean;
    current?: number;
    total?: number;
    selected?: boolean;
}) => string;
export type AccessibilityValue = {
    min?: number;
    max?: number;
    now?: number;
    text?: string;
};
/**
 * Props that publish a control's current value to assistive technology.
 *
 * `accessibilityValue` is the React Native prop and is all native needs, but
 * react-native-web (0.21) does not map the object — it only forwards the flattened
 * `aria-value*` props. Passing the object alone therefore lands a `role="slider"` or
 * `role="progressbar"` in the DOM with no value for a screen reader to read, silently.
 * Emitting both covers either platform.
 *
 * Note that `aria-value*` is meaningless without a value-bearing role, so callers must
 * also set an `accessibilityRole` such as `progressbar`, `slider`, or `adjustable`.
 */
export declare const getAccessibilityValueProps: (value?: AccessibilityValue) => Record<string, unknown>;
/**
 * Generate accessibility props for React Native components
 */
export declare const createAccessibilityProps: (options: {
    role?: AccessibilityRole;
    label?: string;
    hint?: string;
    state?: AccessibilityState;
    value?: {
        min?: number;
        max?: number;
        now?: number;
        text?: string;
    };
    actions?: Array<{
        name: string;
        label?: string;
    }>;
    disabled?: boolean;
    selected?: boolean;
}) => any;
/**
 * Format numbers for screen readers (e.g., "1,000" becomes "1 thousand")
 */
export declare const formatNumberForScreenReader: (num: number) => string;
/**
 * Format time duration for screen readers
 */
export declare const formatDurationForScreenReader: (seconds: number) => string;
/**
 * Get appropriate ARIA role based on component type
 */
export declare const getAriaRole: (componentType: string) => AccessibilityRole | undefined;
/**
 * Check if an element should be focusable
 */
export declare const isFocusable: (element: any) => boolean;
/**
 * Debounce announcements to prevent spam
 */
export declare const debounceAnnouncement: (key: string, announcement: () => void, delay?: number) => void;
/**
 * Get reading time estimate for content
 */
export declare const getReadingTime: (text: string, wordsPerMinute?: number) => string;