/**
 * Updates-shaped host API for sideloading extension bundles after expo-updates.
 * Does not run inside the appex. Optional peer: expo-updates.
 */
export type ExtensionBundleManifest = {
    byteLength: number;
    sha256: string;
    installedAt: string;
    runtimeVersion: string;
    targetName: string;
    type: string;
};
export type ExtensionUpdatesCheckResult = {
    isAvailable: boolean;
    manifest?: Record<string, unknown>;
    reason?: string;
};
export type ExtensionUpdatesFetchResult = {
    isNew: boolean;
    installed: ExtensionBundleManifest[];
    reason?: string;
};
type UpdatesLike = {
    checkForUpdateAsync: () => Promise<{
        isAvailable: boolean;
        manifest?: Record<string, unknown>;
        reason?: string;
    }>;
    fetchUpdateAsync: () => Promise<{
        isNew: boolean;
        manifest?: Record<string, unknown>;
    }>;
    reloadAsync: () => Promise<void>;
    runtimeVersion?: string | null;
};
export type ExtensionUpdatesSyncTarget = {
    targetName: string;
    type: string;
    runtimeVersion?: string;
};
export type ExtensionUpdatesOptions = {
    /** App Group id for native install (required unless `install` is injected). */
    appGroup?: string;
    /**
     * Metro asset module ids from `assets/expo-targets/extensionBundleModules.js`
     * (generated by `export-extension-bundles`). Used by default `resolveAssetPath`.
     */
    assetModules?: Record<string, number>;
    resolveAssetPath?: (targetName: string) => string | null | Promise<string | null>;
    install?: (opts: {
        targetName: string;
        type: string;
        runtimeVersion: string;
        localPath: string;
    }) => Promise<ExtensionBundleManifest>;
    getUpdates?: () => UpdatesLike | null;
    targets: ExtensionUpdatesSyncTarget[];
};
/**
 * Convert an expo-asset `localUri` into a filesystem path.
 * Must percent-decode: stripping only `file://` leaves `Application%20Support`
 * and native `fileExists` fails.
 */
export declare function fileUriToFsPath(uri: string): string;
export declare function createExtensionUpdates(options: ExtensionUpdatesOptions): {
    checkForUpdateAsync: () => Promise<ExtensionUpdatesCheckResult>;
    fetchUpdateAsync: () => Promise<ExtensionUpdatesFetchResult>;
    reloadAsync: () => Promise<void>;
    syncFromCurrentUpdate: () => Promise<ExtensionBundleManifest[]>;
};
export {};
//# sourceMappingURL=ExtensionUpdates.d.ts.map