import type { BaseChatModel } from '@langchain/core/language_models/chat_models';
import type { ChatGoogleParams } from '@langchain/google/node';
export declare function processJsonConfig(llmConfig: ChatGoogleParams & {
    type?: string;
    apiKeyEnvironmentVariable?: string;
}): Promise<BaseChatModel>;
export declare function init(configFileName: string, force?: boolean, model?: string): void;