import { TransportOptions, JsonRpcRequest } from './types';
import { BaseTransport } from './base';
/**
 * Makes a JSON-RPC request using native fetch API
 * Universal implementation that works in both Node.js (20.19+) and browser
 *
 * @param url - The URL to the JSON-RPC endpoint
 * @param request - The JSON-RPC request object
 * @param fetchMethod - Optional fetch implementation (defaults to global fetch)
 * @param timeoutMs - Request timeout in milliseconds (default: 30000)
 * @param httpsOptions - Optional TLS options (Node.js only): rejectUnauthorized, ca
 * @returns Promise resolving to the JSON-RPC result
 */
export declare const jsonRpc: (url: string, request: Partial<JsonRpcRequest>, fetchMethod?: typeof fetch, timeoutMs?: number, httpsOptions?: {
    rejectUnauthorized?: boolean;
    ca?: string | Buffer | string[];
}) => Promise<unknown>;
export declare class HttpTransport extends BaseTransport {
    constructor(options: TransportOptions);
    get nonRetriableOperations(): string[];
    isBroadcastOperation(method: string): boolean;
    send(api: string, data: {
        id?: number;
        method: string;
        params: unknown[];
    }, callback?: (err: Error | null, result?: unknown, attempt?: number) => void): void;
}