/**
 * Thin JS wrapper around the `RNImageStitcherFileUtils` native
 * module (defined in `ios/Sources/RNImageStitcher/FileBridge.{swift,m}`
 * and `android/src/main/.../FileBridge.kt`).  Internal — not
 * re-exported from `src/index.ts`.
 *
 * Two operations:
 *   - `moveFile(from, to)` — move a file, creating the destination's
 *     parent directory tree on demand.  Used to relocate
 *     vision-camera's auto-named tmp output into the lib's canonical
 *     capture dir.
 *   - `getDefaultCaptureDir()` — resolve (and create on first call)
 *     the canonical default capture directory:
 *
 *       iOS:     `<NSCachesDirectory>/react-native-image-stitcher/`
 *       Android: `<context.cacheDir>/react-native-image-stitcher/`
 *
 *     Predictable, evictable-by-OS, NOT backed up.  Captures live
 *     here until the host moves them somewhere durable (which is
 *     intentional — the lib doesn't promise persistence beyond the
 *     immediate capture flow).
 */
/**
 * Move a file via the native bridge.  Both paths accepted in bare
 * or `file://`-prefixed form.  Resolves to the bare destination
 * path on success.  Throws on disk failure.
 */
export declare function moveFile(from: string, to: string): Promise<string>;
/**
 * Copy a file via the native bridge, leaving the source in place.  Both paths
 * accepted in bare or `file://`-prefixed form.  Resolves to the bare
 * destination path on success.  Throws on disk failure.  Useful when a host
 * needs a distinct output path for an in-place native op (e.g. perspective-
 * cropping a copy of a captured photo so the original survives and the result
 * lands on a fresh URI, avoiding image-cache collisions).
 */
export declare function copyFile(from: string, to: string): Promise<string>;
/**
 * Resolve the canonical default capture directory.  Lazy +
 * memoised — the native side creates the dir on first call, JS
 * caches the result for the rest of the app session.
 */
export declare function getDefaultCaptureDir(): Promise<string>;
/**
 * Compose a default filename for a tap-photo capture, using a
 * millisecond Unix timestamp for ordering.  Pure helper; no I/O.
 */
export declare function defaultPhotoFilename(): string;
/**
 * Same as `defaultPhotoFilename` but for panoramas.
 */
export declare function defaultPanoramaFilename(): string;
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