import type { WebsocketClientOptions } from './rpc-websocket-client.js';
/**
 * An object defining headers to be passed to the RPC server
 */
export type HttpHeaders = {
    [header: string]: string;
};
/**
 * A function that can inspect and modify RPC requests before they are executed.
 * Useful for monitoring, tracing, and error handling.
 */
export type RequestInspector = <T>(input: IotaTransportRequestOptions, executeRequest: () => Promise<T>) => Promise<T>;
export interface IotaHTTPTransportOptions {
    fetch?: typeof fetch;
    WebSocketConstructor?: typeof WebSocket;
    url: string;
    rpc?: {
        headers?: HttpHeaders;
        url?: string;
    };
    websocket?: WebsocketClientOptions & {
        url?: string;
    };
    inspector?: RequestInspector;
}
export interface IotaTransportRequestOptions {
    method: string;
    params: unknown[];
    signal?: AbortSignal;
}
export interface IotaTransportSubscribeOptions<T> {
    method: string;
    unsubscribe: string;
    params: unknown[];
    onMessage: (event: T) => void;
    signal?: AbortSignal;
}
export interface IotaTransport {
    request<T = unknown>(input: IotaTransportRequestOptions): Promise<T>;
    subscribe<T = unknown>(input: IotaTransportSubscribeOptions<T>): Promise<() => Promise<boolean>>;
}
export declare class IotaHTTPTransport implements IotaTransport {
    #private;
    constructor(options: IotaHTTPTransportOptions);
    fetch(input: RequestInfo, init?: RequestInit): Promise<Response>;
    request<T>(input: IotaTransportRequestOptions): Promise<T>;
    subscribe<T>(input: IotaTransportSubscribeOptions<T>): Promise<() => Promise<boolean>>;
}
//# sourceMappingURL=http-transport.d.ts.map