import type { z } from "zod";
import type { FetchFn } from "../types.js";
export declare class BaseService {
    protected apiKey: string;
    protected baseUrl: string;
    protected fetch: FetchFn;
    constructor(apiKey: string, baseUrl: string, fetch: FetchFn);
    protected request<ResponseSchema>(schema: z.ZodType<ResponseSchema>, endpoint: string, options?: RequestInit): Promise<ResponseSchema>;
}