import type { ResolvedTurnBudget, TurnBudgetState } from "../../shared/types.ts";
export declare const DEFAULT_TURN_BUDGET_GRACE_TURNS = 1;
export declare function resolveTurnBudgetConfig(raw: unknown, label?: string): {
    turnBudget?: ResolvedTurnBudget;
    error?: string;
};
export declare function appendTurnBudgetSystemPrompt(systemPrompt: string, budget: {
    maxTurns: number;
    graceTurns?: number;
} | undefined): string;
export declare function turnBudgetSoftNote(budget: ResolvedTurnBudget, turnCount: number): string;
export declare function turnBudgetExceededMessage(budget: ResolvedTurnBudget, turnCount: number): string;
export declare function turnBudgetDeferredNote(budget: ResolvedTurnBudget, turnCount: number): string;
export declare function formatTurnBudgetOutput(message: string, output: string): string;
export declare function initialTurnBudgetState(budget: {
    maxTurns: number;
    graceTurns?: number;
}): TurnBudgetState;
export declare function turnBudgetState(budget: ResolvedTurnBudget, turnCount: number, exceeded: boolean): TurnBudgetState;
export declare function turnBudgetDeferredState(budget: ResolvedTurnBudget, turnCount: number, terminationDeferredAtTurn?: number): TurnBudgetState;
export declare function turnBudgetDecision(budget: ResolvedTurnBudget, turnCount: number, terminalAssistantStop: boolean, toolWorkActiveOrStarting: boolean, enforceHardLimit?: boolean): "continue" | "defer" | "abort";
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