import { Session } from "../types/session";
/**
 * Abstract class for a conversation context of a chatbot.
 * The conversation context is the responsible for storing and retrieving
 * the context scope variables based on the current conversation.
 * The getConversationContext receive the session of the chatbot, and must return
 * a promise with the context in the resolve.
 */
declare class ConversationContext {
    private settings;
    /**
     * Constructor of the class.
     * @param {Object} settings Settings for the instance.
     */
    constructor(settings: object);
    /**
     * Given a session instance of a chatbot, return the conversation identifier.
     * @param {Object} session Session instance of a message of chatbot.
     * @returns {String} Identifier of the conversation.
     */
    getConversationId(session: Session): string | undefined;
}
export default ConversationContext;