/**
 * Interface for SMS provider adapters.
 * All SMS provider implementations must implement this interface.
 */
export interface ISmsProvider {
    /**
     * Get a phone number for receiving SMS.
     * @returns Promise<string> A phone number in international format (e.g., +1234567890)
     */
    getPhoneNumber(): Promise<string>;
    /**
     * Wait for an OTP code to be received via SMS.
     * @param phoneNumber The phone number to wait for SMS on
     * @param timeout Optional timeout in milliseconds (default: 30000)
     * @returns Promise<string> The extracted OTP code
     */
    waitForOtpCode(phoneNumber: string, timeout?: number): Promise<string>;
    /**
     * Initialize the SMS provider with necessary configuration.
     * @returns Promise<void>
     */
    initialize(): Promise<void>;
    /**
     * Clean up any resources used by the SMS provider.
     * @returns Promise<void>
     */
    cleanup(): Promise<void>;
}