import { DynamicModule } from '@nestjs/common';
import type { TransportModuleAsyncConfigOptions } from './domain/interfaces';
export declare class TransportConfigModule {
    /**
     * Kafka-based Transport configuration module.
     *
     * Registers a Kafka client and exposes a high-level transport service via the `CLIENT_TRANSPORT` token.
     * This allows emitting and sending events through Kafka using a consistent interface (`TransportServicePort`).
     *
     * Usage:
     * ```ts
     * @Injectable()
     * export class ExampleService {
     *   constructor(
     *     @Inject(CLIENT_TRANSPORT) private readonly transport: TransportServicePort
     *   ) {}
     * }
     * ```
     *
     * @param options.brokers Required. Kafka broker addresses.
     * @param options.clientId Required. Kafka client ID.
     * @param options.groupId Required. Kafka consumer group ID.
     * @param options.ssl Optional. Use SSL. Defaults to false.
     * @param options.sasl Optional. SASL auth config (username, password, mechanism).
     * @param options.allowAutoTopicCreation Optional. Defaults to false.
     * @param options.isGlobal Optional. Whether to register the module globally. Defaults to false.
     * @returns A dynamic module that provides `CLIENT_TRANSPORT` (as `TransportServicePort`).
     */
    static configAsync(options: TransportModuleAsyncConfigOptions): DynamicModule;
}
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