import { MessageProperties, MessagePropertyHeaders } from 'amqplib';
declare type ActionMessage<Payload extends Record<string, any> = Record<string, any>, Headers extends Record<string, unknown> = Record<string, unknown>> = {
    headers: MessagePropertyHeaders & Headers;
    properties: Omit<MessageProperties, 'headers'>;
    payload: Payload;
};
declare type Action<Payload extends Record<string, any> = Record<string, any>, Headers extends Record<string, unknown> = Record<string, unknown>> = (message: ActionMessage<Payload, Headers>, done: Done) => void;
interface Task {
    queue: string;
    exchange: string;
    routeKey: string;
    type?: string;
    prefetch?: number;
    queueArguments?: {
        [x: string]: any;
    };
    options?: {
        [x: string]: any;
    };
    action: Action;
}
interface Done {
    (nack?: any, requeue?: boolean, allUpTo?: boolean): void;
}
interface TasksOptions {
    enabled?: boolean;
    host?: string;
}
interface TaskSend {
    (exchange: string, routeKey: string, message: string, options?: any): void;
}
export declare class Tasks implements TasksOptions {
    enabled?: boolean;
    host?: string;
    ch: any;
    con: any;
    running: number;
    constructor(options: TasksOptions);
    start(): any;
    send(exchange: string, routeKey: string, message: string, options?: any): TaskSend;
    bindTask(task: Task): Promise<void>;
}
export { TasksOptions, TaskSend, Task, Done, Action };