import { type GatewayPaths } from './paths.js';
type Component = {
    status: 'included';
    path: string;
    size: number;
    sha256: string;
} | {
    status: 'missing';
};
export type ResetBackupManifest = {
    version: number;
    phase: 'validated';
    createdAt: string;
    sourcePaths: {
        database: string;
        config: string;
        session: string;
    };
    schemaVersion: number | null;
    components: {
        database: Component;
        config: Component;
        session: Component;
    };
};
export type ResetBackupBundle = {
    path: string;
    manifest: ResetBackupManifest;
};
/**
 * Creates a durable, validated pre-reset bundle. It deliberately does not
 * rename or otherwise alter active application state.
 */
export declare function createResetBackupBundle(options?: {
    paths?: GatewayPaths;
    configPath?: string;
    now?: () => Date;
    /** Caller already holds the gateway lock. */
    lockHeld?: boolean;
    /** Test-only failure seam at each source mutation/publication/write/fsync boundary. */
    afterStep?: (step: string) => void;
}): Promise<ResetBackupBundle>;
export {};