/**
 * CaptureStitchStatsToast — auto-dismissing toast that shows the
 * batch-stitcher's leaveBiggestComponent telemetry + the resolved
 * cv::Stitcher mode after every successful finalize.
 *
 * Pattern: top-center capsule, dark translucent background, dismisses
 * itself after `dismissAfterMs` (default 4500).  Replaces the
 * Alert.alert blocking modal that used to interrupt the next
 * capture.  See `useStitchStatsToast` hook for the matching
 * imperative API.
 *
 * Layer-2 hosts can mount this directly + pass their own message;
 * Layer-1 `<Camera>` mounts it under `settings.debug` and feeds
 * the formatted message from the finalize result automatically.
 */
import React from 'react';
import type { IncrementalFinalizeResult } from '../stitching/incremental';
export interface CaptureStitchStatsToastProps {
    /** Toast message to show.  Pass null to hide. */
    message: string | null;
    /**
     * Optional bold title rendered above the message (e.g. an action ask
     * like "Pan more slowly").  Omit for a plain single-line toast.
     */
    title?: string | null;
    /** Top inset for safe-area placement.  Toast pinned `topInset + 12`. */
    topInset?: number;
    /**
     * Vertical placement.  'top' (default) pins it `topInset + 12` from the
     * top; 'center' vertically centers it — more prominent, and dodges the
     * notch / Dynamic Island entirely.
     */
    placement?: 'top' | 'center';
}
export declare function CaptureStitchStatsToast({ message, title, topInset, placement, }: CaptureStitchStatsToastProps): React.JSX.Element | null;
/**
 * Imperative API for showing transient stitch-stats toasts.
 *
 * Returns `{ message, showFor, showResult }`:
 *   - `message`     — current toast text (pass to CaptureStitchStatsToast)
 *   - `showFor`     — show an arbitrary string, auto-dismiss
 *   - `showResult`  — format an `IncrementalFinalizeResult` into the
 *                     standard "Stitch: N/M frames • thresh X.XX •
 *                     N attempt(s) • mode" line and show it.  Convenience
 *                     for hosts that just want the canonical format.
 *
 * Auto-clears its setTimeout on unmount so callers don't have to
 * worry about setState-on-unmounted warnings.
 */
export interface UseStitchStatsToastReturn {
    message: string | null;
    /** Optional bold title shown above `message` (pass to the toast). */
    title: string | null;
    showFor: (msg: string, ms?: number, title?: string) => void;
    showResult: (result: IncrementalFinalizeResult, ms?: number) => void;
}
export declare function useStitchStatsToast(): UseStitchStatsToastReturn;
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