import type { USPSClientConfig, TokenStatus } from './types.js';
import { AddressesAPI } from './addresses.js';
import { TrackingAPI } from './tracking.js';
import { LabelsAPI } from './labels.js';
import { PricesAPI } from './prices.js';
import { StandardsAPI } from './standards.js';
import { LocationsAPI } from './locations.js';
/**
 * USPS v3 REST API client for Node.js.
 *
 * @example
 * ```ts
 * import { USPSClient } from 'usps-v3';
 *
 * const client = new USPSClient({
 *   clientId: process.env.USPS_CLIENT_ID,
 *   clientSecret: process.env.USPS_CLIENT_SECRET,
 * });
 *
 * const result = await client.addresses.validate({
 *   streetAddress: '1600 Pennsylvania Ave NW',
 *   city: 'Washington',
 *   state: 'DC',
 *   ZIPCode: '20500',
 * });
 * ```
 */
export declare class USPSClient {
    private tokenManager;
    /** Address validation and city-state lookup */
    readonly addresses: AddressesAPI;
    /** Package tracking */
    readonly tracking: TrackingAPI;
    /** Shipping label creation and voiding */
    readonly labels: LabelsAPI;
    /** Rate quotes (domestic and international) */
    readonly prices: PricesAPI;
    /** Delivery time estimates */
    readonly standards: StandardsAPI;
    /** Drop-off location finder */
    readonly locations: LocationsAPI;
    constructor(config?: USPSClientConfig);
    /** Current token status (validity and time-to-live) */
    get tokenStatus(): TokenStatus;
    /** Force refresh all cached tokens */
    refreshTokens(): Promise<void>;
    /** Clear cached tokens */
    close(): void;
}
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