/**
 * Shared budget bookkeeping for drivers that consume external resources
 * (model calls, USD). Independent of the legacy `advisor/budget.ts` so
 * the driver layer has no implicit ordering dependency on advisor wiring.
 */
export interface DriverBudgetOptions {
    /** Hard cap on provider calls in total. Undefined = unlimited. */
    maxCalls?: number;
    /** Hard cap on provider calls per page. Undefined = unlimited. */
    maxCallsPerPage?: number;
    /** Cumulative USD cap. Undefined = unlimited. */
    maxUsd?: number;
}
export declare class DriverBudget {
    private readonly opts;
    private totalCalls;
    private pageCalls;
    private usdSpent;
    constructor(opts?: DriverBudgetOptions);
    /** Returns true if a call is still affordable for this url. */
    canCall(url: string): boolean;
    recordCall(url: string): void;
    recordUsd(amount: number): void;
    resetPage(url: string): void;
    callsThisCrawl(): number;
    callsThisPage(url: string): number;
    totalUsd(): number;
    remainingCalls(): number | undefined;
    remainingUsd(): number | undefined;
}
//# sourceMappingURL=budget.d.ts.map