export declare const BOOTSTRAP_BUNDLE_FORMAT: 1;
export declare const BOOTSTRAP_BUNDLE_KIND: "forgezero-api-git-bundle";
export declare const MAX_BOOTSTRAP_BUNDLE_BYTES: number;
export interface BootstrapBundleManifest {
    format: typeof BOOTSTRAP_BUNDLE_FORMAT;
    kind: typeof BOOTSTRAP_BUNDLE_KIND;
    branch: string;
    revision: string;
    sha256: string;
    bytes: number;
    createdAt: string;
}
export interface BootstrapBundleBuildInput {
    repositoryRoot: string;
    outputPath: string;
    branch: string;
}
export interface BootstrapBundleBuildResult {
    bundlePath: string;
    manifestPath: string;
    manifest: BootstrapBundleManifest;
}
export interface BootstrapBundleCommandResult {
    exitCode: number;
    output: string;
}
export type BootstrapBundleCommand = (argv: readonly string[]) => Promise<BootstrapBundleCommandResult>;
export declare function sha256File(path: string): Promise<string>;
export declare const bootstrapBundleBranch: (value: unknown) => string;
export declare function parseBootstrapBundleManifest(value: unknown): BootstrapBundleManifest;
export declare function readBootstrapBundle(bundlePath: string, manifestPath?: string): Promise<BootstrapBundleBuildResult>;
export declare function buildBootstrapBundle(input: BootstrapBundleBuildInput, exec?: BootstrapBundleCommand): Promise<BootstrapBundleBuildResult>;
/**
 * Make the reviewed branch head the canonical launch bundle without silently
 * reusing an older release. The previous verified pair is retained beside the
 * new pair so an attended operator can inspect or restore it.
 */
export declare function refreshBootstrapBundle(input: BootstrapBundleBuildInput, exec?: BootstrapBundleCommand): Promise<BootstrapBundleBuildResult>;