import type { GoalState } from "../domain/types.js";
import { type AssistantUsageSample } from "./accounting.js";
export declare const DEFAULT_MAX_EMPTY_TURNS = 2;
export declare function assistantPartHasMeaningfulActivity(part: any): boolean;
export declare function assistantInfoHasMeaningfulActivity(info: any): boolean;
export declare function clearEmptyAssistantTurnStreak(goal: GoalState): GoalState;
export declare function recordEmptyAssistantTurn(goal: GoalState, sample: AssistantUsageSample, input?: {
    now?: number;
    maxEmptyTurns?: number;
}): GoalState;
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