import * as React from 'react';
import { View } from 'react-native';
import type { ZestUIComponentProps } from '../../types';
/**
 * A container viewport for toasts.
 * Renders a `<View>` that fills its parent without intercepting touches.
 *
 * **This is the one popup family that is not an RN `Modal`, and deliberately so.**
 * A `Modal` covers the screen and swallows every touch, which is right for a
 * dialog and fatal for a toast: the app underneath has to stay usable while a
 * toast is on screen. So there is no `Toast.Portal` either — place the Viewport
 * inside `Toast.Provider`, at the root of the app, and position it with your own
 * styles. `pointerEvents="box-none"` is what lets touches through everywhere
 * except on the toasts themselves.
 *
 * It measures its own screen position for `Toast.Positioner`: anchors are
 * measured in screen coordinates, and unlike a `Modal` this viewport can sit
 * anywhere.
 *
 * Upstream's viewport also runs focus management, hover tracking and a
 * `ScrollArea`-like keyboard flow (F6). None of that is ported: see the store.
 */
export declare function ToastViewport(componentProps: ToastViewport.Props): React.ReactElement<unknown, string | React.JSXElementConstructor<any>>;
export interface ToastViewportState {
    /**
     * Whether there are no toasts.
     */
    empty: boolean;
    /**
     * Whether a toast is being pressed or focused, which pauses the timers.
     */
    expanded: boolean;
}
export interface ToastViewportProps extends ZestUIComponentProps<typeof View, ToastViewportState> {
}
export declare namespace ToastViewport {
    type State = ToastViewportState;
    type Props = ToastViewportProps;
}
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