import z from "zod";
/**
 *
 * @param schema - The schema to parse the response with
 * @param url - The URL to request
 * @param headers - The headers to send with the request
 * @returns The parsed response or null if the request fails
 */
export declare function request<S extends z.ZodType>(schema: S, url: string, headers?: Record<string, string>): Promise<z.infer<S> | null>;