import { type LLMConfig, type LLMResult } from "./llm.js";
export type UsageSink = (usage: NonNullable<LLMResult["usage"]>) => void;
export interface Plan {
    queries: string[];
    reasoning: string;
}
export interface Critique {
    done: boolean;
    reasoning: string;
    queries: string[];
}
/**
 * Date grounding for the planner/critic prompts. Without it the model
 * anchors "recent"/"latest" to its TRAINING-time sense of now and writes
 * stale queries — and when `--since` is in play, the recency filter then
 * culls most of what those stale queries return (the v0.23.0 bench
 * "recent" failure: 1 source kept against a 3-source minimum).
 */
export interface PlanContext {
    /** Epoch ms for "today". Defaults to Date.now(); injectable for tests. */
    now?: number;
    /**
     * Resolved `--since` cutoff (epoch ms). When set, the prompts disclose
     * that sources published before it are dropped, so queries get shaped
     * to the surviving window instead of the model's idea of "recent".
     */
    sinceMs?: number;
}
export declare function plannerSystem(ctx?: PlanContext): string;
export declare function planQueries(question: string, config: LLMConfig, signal?: AbortSignal, onUsage?: UsageSink, ctx?: PlanContext): Promise<Plan>;
export declare function parsePlan(raw: string): Plan;
export declare function criticSystem(ctx?: PlanContext): string;
export interface WeakCite {
    sentence: string;
    citedIds: number[];
}
export declare function critique(question: string, draftAnswer: string, priorQueries: string[], config: LLMConfig, signal?: AbortSignal, onUsage?: UsageSink, weakCites?: WeakCite[], ctx?: PlanContext): Promise<Critique>;
export declare function parseCritique(raw: string): Critique;
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