import { ChatGroq } from "@langchain/groq";
import { ChatOpenAI } from "@langchain/openai";
export declare const getCurrentModel: () => ChatOpenAI<import("@langchain/openai").ChatOpenAICallOptions> | ChatGroq;
interface TokenUsage {
    completionTokens?: string;
    promptTokens?: string;
}
export interface ResponseMetadata {
    tokenUsage?: TokenUsage;
}
export {};