import type { ClientOptions } from "../types";
/**
 * Base client with shared HTTP utilities for all 1sat-stack API clients.
 * Provides timeout handling, error parsing, and request helpers.
 */
export declare class BaseClient {
    protected readonly baseUrl: string;
    protected readonly timeout: number;
    protected readonly fetchFn: typeof fetch;
    constructor(baseUrl: string, options?: ClientOptions);
    /**
     * Make a JSON request and parse the response
     */
    protected request<T>(path: string, init?: RequestInit): Promise<T>;
    /**
     * Make a request and return raw binary data
     */
    protected requestBinary(path: string, init?: RequestInit): Promise<Uint8Array>;
    /**
     * Make a request and return the raw Response object
     * Useful for streaming responses
     */
    protected requestRaw(path: string, init?: RequestInit): Promise<Response>;
    /**
     * Parse error response into HttpError
     */
    private parseError;
    /**
     * Build query string from options object
     */
    protected buildQueryString(params: Record<string, string | number | boolean | string[] | undefined>): string;
}