import type { AgentSystemBlueprint } from "./agent-blueprint.js";
export interface BlueprintWriteTransaction {
    rollback(): void;
    finalize(): void;
}
/**
 * Stage every generated file before replacing anything. Existing files are
 * renamed to backups during commit and retained until finalize(), allowing the
 * caller to roll the whole system back when registry reload/validation fails.
 */
export declare function writeBlueprintFilesAtomically(targetAgentDir: string, blueprint: AgentSystemBlueprint): BlueprintWriteTransaction;