import type { GoalBudget, GoalState, GoalUsage } from "../domain/types.js";
export interface AssistantUsageSample {
    messageID: string;
    inputTokens?: number;
    outputTokens?: number;
    reasoningTokens?: number;
    cost?: number;
    createdAt?: number;
    completedAt?: number;
}
export type BudgetLimitKind = "turns" | "tokens" | "cost" | "runtime";
export interface BudgetLimitHit {
    kind: BudgetLimitKind;
    used: number;
    limit: number;
}
export declare function budgetLimitHits(usage: GoalUsage, budget: GoalBudget): BudgetLimitHit[];
export declare function budgetStopReason(usage: GoalUsage, budget: GoalBudget): string | undefined;
export declare function formatGoalBudget(goal: Pick<GoalState, "usage" | "budget">): string;
export declare function applyGoalBudget(goal: GoalState, patch: Partial<GoalBudget>, now?: number): GoalState;
/**
 * Apply a reached cumulative Goal budget only at a host-observed Goal-turn
 * boundary. Usage is accounted as assistant messages finish, but changing the
 * Goal to budget_limited in the middle of one OpenCode prompt can otherwise
 * disable cadence/completion guards while that same prompt is still executing.
 */
export declare function settleReachedGoalBudget(goal: GoalState, now?: number): GoalState;
export declare function accountAssistantUsage(goal: GoalState, sample: AssistantUsageSample, now?: number, options?: {
    countTurn?: boolean;
}): GoalState;
//# sourceMappingURL=accounting.d.ts.map