import type { ChatMessage } from "./runtime/types.js";
interface SessionStoreFs {
    mkdir(path: string, options?: {
        recursive?: boolean;
    }): Promise<unknown>;
    readFile(path: string, encoding: "utf8"): Promise<string | Buffer>;
    writeFile(path: string, content: string, options?: "utf8" | {
        encoding: "utf8";
        flag?: string;
    }): Promise<unknown>;
}
export interface PersistedAgentSession {
    version: 1;
    threadId: string;
    model: string;
    cwd: string;
    createdAt: string;
    updatedAt: string;
    messages: ChatMessage[];
}
export interface AgentSessionStore {
    load(threadId: string): Promise<PersistedAgentSession | undefined>;
    save(session: PersistedAgentSession): Promise<void>;
}
export declare function createAgentSessionStore(options?: {
    homeDir?: string;
    fs?: SessionStoreFs;
}): AgentSessionStore;
export {};