export interface IEventPayloadMetas {
    guid: string;
    name: string;
    application: string;
    timestamp: number;
    correlationId?: string;
    replyTo?: string;
    [k: string]: any;
}
export interface IEventPayload {
    [k: string]: any;
    _metas?: Partial<IEventPayloadMetas>;
}
export declare type ConsumeHandlerFunction = (payload: IEventPayload) => Promise<IEventPayload | void | null>;
export declare type EventHandlerFunction = (payload: IEventPayload) => Promise<IEventPayload | void | null> | IEventPayload | void | null;
export declare type OverrideMetasFunction = (metas: IEventPayloadMetas) => IEventPayloadMetas;
export interface IEventManagerOptions {
    url: string;
    application: string;
    metas: boolean | OverrideMetasFunction;
    alternateExchangeName: string;
    alternateQueueName: string;
    deadLetterExchangeName: string;
    deadLetterQueueName: string;
    ttl: number;
    maxNumberOfMessagesRetries: number;
    logLevel: 'error' | 'debug' | 'info' | 'warn';
    logPrefix: string;
    logTransportMode: 'console' | 'mute';
    emitAndWaitTimeout: number;
    defaultResponseSuffix: string;
}
export interface IListenerOption {
    /**
     * The queue Time to live
     */
    ttl?: number;
    /**
     * Define another DeadLetterExhange (should have been defined prior usage)
     */
    dlx?: string;
}
export interface IEmitAndWaitOptions {
    emitAndWaitTimeout?: number;
}