/**
 * How long the assistant may sit unused before the next open counts as a new session.
 * @internal
 */
export declare const CONVERSATION_SESSION_TIMEOUT_MS: number;
/**
 * Whether the next open should start a fresh conversation instead of resuming the last one.
 * A missing timestamp keeps the previous resume behaviour.
 * @internal
 */
export declare function isConversationSessionStale(workspaceId: string, now?: number): boolean;
/**
 * @internal
 */
export declare function touchConversationSession(workspaceId: string, now?: number): void;
/** Refresh the session timer on assistant interaction (not on open). @internal */
export declare function onConversationActivity(): Generator<import("redux-saga/effects").GetContextEffect, void, string>;
/** Read staleness and refresh the timer on open. Only one open path calls this per opening. @internal */
export declare function consumeStaleConversationSession(): Generator<any, boolean, any>;
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