import { IRpcClient } from '@interchainjs/types';
export interface HttpEndpoint {
    url: string;
    timeout?: number;
    headers?: Record<string, string>;
}
export declare class HttpRpcClient implements IRpcClient {
    private endpointConfig;
    private options;
    private connected;
    constructor(endpointConfig: string | HttpEndpoint, options?: {
        timeout?: number;
        headers?: Record<string, string>;
    });
    get endpoint(): string;
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    isConnected(): boolean;
    call<TRequest, TResponse>(method: string, params?: TRequest): Promise<TResponse>;
    subscribe<TEvent>(method: string, params?: unknown): AsyncIterable<TEvent>;
    private getUrl;
    private getHeaders;
    private getTimeout;
}