import type { Message, Session, SessionContentImport, SessionObject, ToolCall } from "../types/index.js";
export declare const NORMALIZED_SESSION_OBJECT_KIND: "normalized_content";
export declare const NORMALIZED_SESSION_OBJECT_CONTENT_TYPE = "application/json";
export declare function createSessionContentImport(session: Session, messages: Message[], toolCalls: ToolCall[]): SessionContentImport;
export interface SerializedSessionContent {
    content: SessionContentImport;
    body: Buffer;
    sourceDigest: string;
    size: number;
}
export declare function serializeStoredSessionContent(sessionId: string): SerializedSessionContent;
/** Enqueue the latest normalized payload only when object storage is configured. */
export declare function enqueueStoredSessionObjectIfConfigured(sessionId: string, env?: NodeJS.ProcessEnv): SessionObject | null;
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