import type { z } from "zod";
export type VoyantFetcher = (url: string, init?: RequestInit) => Promise<Response>;
export declare const defaultFetcher: VoyantFetcher;
export declare class VoyantApiError extends Error {
    readonly status: number;
    readonly body: unknown;
    constructor(message: string, status: number, body: unknown);
}
export interface FetchWithValidationOptions {
    baseUrl: string;
    fetcher: VoyantFetcher;
}
export type QueryParamValue = string | number | boolean | null | undefined | Array<string | number | boolean>;
export declare function fetchWithValidation<TOut>(path: string, schema: z.ZodType<TOut>, options: FetchWithValidationOptions, init?: RequestInit): Promise<TOut>;
export declare function withQueryParams(path: string, query?: object): string;