/**
 * Gemma 4 recommends dropping stale thinking, unless preserveThinking is requested.
 * This is deliberately an advisory, not preservation: sending old thought is discouraged,
 * not a missing invariant. Source: Google Gemma 4 model guidance; date checked: this plan's research pass.
 */
import type { OrderingProfile } from "../types";
export declare const staleThinkingAdvisory: OrderingProfile;