import { ChatCompletionCreateParamsBase } from "openai/resources/chat/completions.mjs";
import { Express } from "express";
export declare function getMessage(systemText: string, prompt: string, params?: Partial<ChatCompletionCreateParamsBase>, version?: string): Promise<{
    content: any;
    cached: boolean;
    model?: undefined;
} | {
    content: string | null;
    model: string;
    cached?: undefined;
}>;
export declare function addCustomRoute(app: Express): void;