import * as React from 'react';
import { View } from 'react-native';
import type { ZestUIComponentProps } from '../../types';
/**
 * Groups all parts of the progress bar and provides the task completion status
 * to screen readers.
 * Renders a `<View>`.
 *
 * **Not ported from upstream.** The visually-hidden `<span>` holding an `x`:
 * it is a workaround for NVDA not reading the label, and NVDA is a Windows
 * screen reader.
 */
export declare function ProgressRoot(componentProps: ProgressRoot.Props): React.JSX.Element;
export type ProgressStatus = 'indeterminate' | 'progressing' | 'complete';
export interface ProgressRootState {
    /**
     * The current status.
     */
    status: ProgressStatus;
    /**
     * The current value, clamped into `[min, max]`, or `null` while indeterminate.
     */
    value: number | null;
    /**
     * The minimum value.
     */
    min: number;
    /**
     * The maximum value.
     */
    max: number;
    /**
     * How far the value sits through the range, `0`–`100`, or `null` while
     * indeterminate. This is what an indicator's width comes from.
     */
    percent: number | null;
    /**
     * The value as text, through `format`/`locale`. Empty while indeterminate.
     */
    formattedValue: string;
}
export interface ProgressRootProps extends ZestUIComponentProps<typeof View, ProgressRootState> {
    /**
     * The current value. The component is indeterminate when value is `null`.
     */
    value: number | null;
    /**
     * The minimum value.
     * @default 0
     */
    min?: number | undefined;
    /**
     * The maximum value.
     * @default 100
     */
    max?: number | undefined;
    /**
     * Options to format the value.
     */
    format?: Intl.NumberFormatOptions | undefined;
    /**
     * The locale used by `Intl.NumberFormat` when formatting the value.
     * Defaults to the user's runtime locale.
     */
    locale?: Intl.LocalesArgument | undefined;
    /**
     * Returns a human-readable text alternative for the current value, announced
     * by assistive technology.
     *
     * Renamed from upstream's `getAriaValueText`: on React Native this feeds
     * `accessibilityValue.text`, not `aria-valuetext`.
     */
    getAccessibilityValueText?: ((formattedValue: string | null, value: number | null) => string) | undefined;
}
export declare namespace ProgressRoot {
    type State = ProgressRootState;
    type Props = ProgressRootProps;
    type Status = ProgressStatus;
}
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