import { type LocalAgent, type Plugin, type SnapshotStorage } from "@strands-agents/sdk";
export type LazySessionManagerConfig = {
    /** Pluggable snapshot backend (e.g. `FileStorage`). */
    storage: SnapshotStorage;
    /** Fallback session id when `appState` does not provide one. Defaults to `"default-session"`. */
    defaultSessionId?: string;
    /** `appState` key used to derive the active session id. Defaults to `"sessionId"`. */
    appStateKey?: string;
    /** Scope id passed through to the storage backend. Defaults to `"agent"`. */
    scopeId?: string;
};
/**
 * Short-term memory plugin that resolves the active session id at invocation
 * time from `agent.appState` instead of binding it once at construction.
 *
 * Designed for long-lived agents that fan out to many independent
 * conversations (e.g. a daemon routing notifications from multiple chat
 * channels). Persistence is delegated to a `SnapshotStorage` so any backend
 * (filesystem, S3, custom) works.
 */
export declare class LazySessionManager implements Plugin {
    private readonly storage;
    private readonly defaultSessionId;
    private readonly appStateKey;
    private readonly scopeId;
    constructor(config: LazySessionManagerConfig);
    get name(): string;
    initAgent(agent: LocalAgent): void;
    /** Removes the persisted history for the given session, if present. */
    deleteSession(sessionId: string): Promise<void>;
    private location;
    private resolveSessionId;
    private restore;
    private save;
    private captureRuntimeState;
    private restoreRuntimeState;
}