import OpenAI from 'openai';
export type OpenAIClientFactory = (opts: {
    apiKey: string;
    baseURL?: string;
    defaultHeaders?: Record<string, string>;
    fetch?: typeof globalThis.fetch;
}) => OpenAI;
export declare function __setOpenAIClientFactory(factory: OpenAIClientFactory | null): void;
export declare function resolveClientFactory(): OpenAIClientFactory;
export declare function buildOpenAIAdmissionFetch(baseURL: string | undefined): typeof fetch | undefined;