import { API } from '../api';
import { APIRequest } from '../api/request';
import { IExecutesPayload } from './executes';
export interface IChainOptions {
    api: API;
}
export declare class Chain {
    started: boolean;
    protected api: API;
    protected queue: APIRequest[];
    /**
     * Constructor
     */
    constructor({ api }: IChainOptions);
    /**
     * Returns custom tag
     */
    get [Symbol.toStringTag](): string;
    /**
     * Adds method to queue
     */
    append<T = any>(method: string, params: object): Promise<T>;
    /**
     * Promise based
     */
    then(thenFn: (value: IExecutesPayload) => unknown, catchFn: (reason: unknown) => unknown): Promise<unknown>;
    /**
     * Starts the chain
     */
    run(): Promise<IExecutesPayload>;
}