import type { NodeAPI, NodeStatus, Node as NRNode } from 'node-red';
import type { Node } from './node';
import type { NodeMessage } from './types';
export type DoneCb = (err?: Error) => void;
export type SentMessage = NodeMessage<any> | (NodeMessage<any> | null)[];
/**
 * Interface to separate our nodes from Node Red APIs
 */
export interface Api {
    send(msg: SentMessage): void;
    error(log: string): void;
    log(log: string): void;
    warn(log: string): void;
    on(event: 'input', cb: (msg: NodeMessage<any>, done: DoneCb) => void): void;
    on(event: 'close', cb: (done: VoidFunction) => void): void;
    status(status: string | NodeStatus): void;
    getNode<T extends (...args: any[]) => new (...args: any[]) => Node<any>>(id: string): InstanceType<ReturnType<T>> | undefined;
    findNodeIdByType(type: string): string | undefined;
    /**
     * Due to how bamboozled node initialization flow is we need to create copy of API
     * in each Node instance
     */
    cloneAndInstantiate(node: Node<any>, config: any): Api;
}
export declare class NodeRedApi implements Api {
    protected RED: NodeAPI;
    protected instance: {
        node: NRNode;
        config: any;
    } | null;
    constructor(RED: NodeAPI, instance?: {
        node: NRNode;
        config: any;
    } | null);
    cloneAndInstantiate(node: Node<any>, config: any): NodeRedApi;
    send(msg: SentMessage): void;
    error(log: string): void;
    log(log: string): void;
    warn(log: string): void;
    findNodeIdByType(type: string): string | undefined;
    getNode<T extends Node<any>>(id: string): T | undefined;
    on(event: 'input', cb: (msg: NodeMessage<any>, done: DoneCb) => void): void;
    on(event: 'close', cb: (done: VoidFunction) => void): void;
    status(status: string | NodeStatus): void;
}