/// <reference types="node" />
/// <reference types="node" />
import { type ExtensionBundleManifest } from './constants';
export declare function sha256File(filePath: string): string;
export declare function sha256Buffer(buf: Buffer): string;
/**
 * Install a local jsbundle into an App Group–style root directory
 * (`{appGroupRoot}/expo-targets/bundles/{targetName}/`).
 * Used by Node smokes and as the algorithm for the native install path.
 */
export declare function installExtensionBundleToRoot(opts: {
    appGroupRoot: string;
    targetName: string;
    type: string;
    runtimeVersion: string;
    sourcePath: string;
}): ExtensionBundleManifest;
export declare function clearExtensionBundleFromRoot(appGroupRoot: string, targetName: string): void;
export declare function getExtensionBundleInfoFromRoot(appGroupRoot: string, targetName: string): ExtensionBundleManifest | null;
/** Validate an installed bundle against baked runtimeVersion + size cap. */
export declare function isInstalledBundleValid(opts: {
    appGroupRoot: string;
    targetName: string;
    bakedRuntimeVersion: string;
}): boolean;
/**
 * After an update lands under `updateAssetRoot` (containing expo-targets/bundles/…),
 * sync each sidecar into the App Group root.
 */
export declare function syncExtensionBundlesFromUpdateAssets(opts: {
    updateAssetRoot: string;
    appGroupRoot: string;
    targets: Array<{
        targetName: string;
        type: string;
        runtimeVersion: string;
    }>;
}): ExtensionBundleManifest[];
/** Write a publish-layout bundle + sidecar under distRoot (export helper). */
export declare function writePublishLayout(opts: {
    distRoot: string;
    targetName: string;
    type: string;
    runtimeVersion: string;
    bundleBytes: Buffer;
}): {
    bundlePath: string;
    manifestPath: string;
};
//# sourceMappingURL=fsInstall.d.ts.map