import { Message, MessageWithVision } from '../../types';
import { ToolChatCompletion } from '../../types/toolChat';
/**
 * Chat service interface
 * Abstracts interaction with AI models
 */
export interface ChatService {
    /**
     * Get the model name
     * @returns Model name
     */
    getModel(): string;
    /**
     * Get the vision model name
     * @returns Vision model name
     */
    getVisionModel(): string;
    /**
     * Process chat messages
     * @param messages Array of messages to send
     * @param onPartialResponse Callback to receive each part of streaming response
     * @param onCompleteResponse Callback to execute when response is complete
     */
    processChat(messages: Message[], onPartialResponse: (text: string) => void, onCompleteResponse: (text: string) => Promise<void>): Promise<void>;
    /**
     * Process chat messages with images
     * @param messages Array of messages to send (including images)
     * @param onPartialResponse Callback to receive each part of streaming response
     * @param onCompleteResponse Callback to execute when response is complete
     */
    processVisionChat(messages: MessageWithVision[], onPartialResponse: (text: string) => void, onCompleteResponse: (text: string) => Promise<void>): Promise<void>;
    /**
     * Process chat messages with tools
     * @param messages Array of messages to send
     * @param stream Whether to use streaming
     * @param onPartialResponse Callback for partial responses
     * @param maxTokens Maximum tokens for response (optional)
     * @returns Tool chat completion
     */
    chatOnce(messages: Message[], stream: boolean, onPartialResponse: (text: string) => void, maxTokens?: number): Promise<ToolChatCompletion>;
    /**
     * Process chat messages with tools and images
     * @param messages Array of messages to send (including images)
     * @param stream Whether to use streaming
     * @param onPartialResponse Callback for partial responses
     * @param maxTokens Maximum tokens for response (optional)
     * @returns Tool chat completion
     */
    visionChatOnce(messages: MessageWithVision[], stream: boolean, onPartialResponse: (text: string) => void, maxTokens?: number): Promise<ToolChatCompletion>;
}