import { DiscoveryService } from '@golevelup/nestjs-discovery';
import { DynamicModule, OnApplicationBootstrap, OnApplicationShutdown } from '@nestjs/common';
import { ExternalContextCreator } from '@nestjs/core/helpers/external-context-creator';
import { AmqpConnection } from './amqp/connection';
import { AmqpConnectionManager } from './amqp/connectionManager';
import { ConfigurableModuleClass } from './rabbitmq-module-definition';
import { RabbitRpcParamsFactory } from './rabbitmq.factory';
import { MessageHandlerOptions, RabbitMQConfig, RabbitMQHandlers } from './rabbitmq.interfaces';
/**
 * Resolves the list of per-registration handler configs to apply for a given
 * handler.
 *
 * Rules:
 * - No lookup key → return `[undefined]` so the handler is registered using
 *   only the decorator config.
 * - Lookup key absent from `handlers` map → return `[]` to skip registration
 *   and avoid asserting random `amq.gen-*` queues.
 * - Lookup key present, value is an array → return the array as-is (zero or
 *   more registrations).
 * - Lookup key present, value is a single object → wrap in a single-element
 *   array.
 */
export declare function resolveHandlerConfigs(handlers: RabbitMQHandlers, lookupKey: string | undefined): (MessageHandlerOptions | undefined)[];
export declare class RabbitMQModule extends ConfigurableModuleClass implements OnApplicationBootstrap, OnApplicationShutdown {
    private readonly discover;
    private readonly externalContextCreator;
    private readonly rpcParamsFactory;
    private readonly connectionManager;
    private readonly logger;
    private static connectionManager;
    private static bootstrapped;
    constructor(discover: DiscoveryService, externalContextCreator: ExternalContextCreator, rpcParamsFactory: RabbitRpcParamsFactory, connectionManager: AmqpConnectionManager, config: RabbitMQConfig);
    static AmqpConnectionFactory(config: RabbitMQConfig): Promise<AmqpConnection | undefined>;
    static attach(connection: AmqpConnection): DynamicModule;
    onApplicationShutdown(): Promise<void>;
    private setupHandler;
    onApplicationBootstrap(): Promise<void>;
}
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