import { IHttpClient } from "../../dal";
import { ICopilotConversationResponse, ICopilotMessageBody, ICopilotResponseMessage } from "../../model/graph/Copilot";
export declare class CopilotChatService {
    protected graphClient: IHttpClient;
    protected converstationId: string | undefined;
    locationHint: {
        timeZone: string;
    };
    constructor(graphClient: IHttpClient);
    initConversation(): Promise<void>;
    sendTextMessage(text: string, onMessageReceived: (message: ICopilotResponseMessage) => void, onCompleted: (lastMessage: ICopilotConversationResponse) => void, onError: (error: any) => void): Promise<void>;
    sendMessageBody(message: ICopilotMessageBody, onMessageReceived: (message: ICopilotResponseMessage) => void, onCompleted: (lastMessage: ICopilotConversationResponse) => void, onError: (error: any) => void): Promise<void>;
}