/// <reference types="node" />
export interface PubSubLike<MessageOptions, SubscriptionOptions> {
    topic: (name: string) => {
        publishMessage: (options: MessageOptions) => any;
    };
    subscription: (name: string, options?: SubscriptionOptions) => {
        on(event: string, listener: (...args: any[]) => void): any;
        removeAllListeners: () => any;
    };
}
export type SubscriptionOptionsLike = {
    batching?: {
        maxMessages?: number;
    };
};
export type MessageOptionsLike = {
    json?: any;
};
export interface MessageLike {
    ack(): void;
    nack(): void;
    attributes: Record<string, string>;
    data: Buffer;
    deliveryAttempt: number;
    id: string;
    length: number;
    orderingKey?: string;
    publishTime: Date;
}
export type SubscriptionLike = ReturnType<PubSubLike<any, any>['subscription']>;