import { ConfigService } from '@nestjs/config';
export type SmsSendResult = {
    success: boolean;
    raw: unknown;
};
export declare class SmsService {
    private readonly config;
    private readonly logger;
    constructor(config: ConfigService);
    isEnabled(): boolean;
    send(to: string, message: string): Promise<SmsSendResult>;
    buildOtpMessage(code: string): string;
    private resolveHost;
}