import { ChatOpenAI, OpenAIEmbeddings } from '@langchain/openai';
import { ChatModelTier, EmbeddingModelTier } from '../../models/types';
/**
 * Creates a configured ChatOpenAI instance pointing to the ArcGIS Utility Service.
 */
export declare const createChatModel: (tier?: ChatModelTier, temperature?: number) => Promise<ChatOpenAI>;
/**
 * Creates a configured OpenAIEmbeddings instance pointing to the ArcGIS Utility Service.
 */
export declare const createEmbeddingModel: (tier?: EmbeddingModelTier) => Promise<OpenAIEmbeddings>;