import { IConversation } from '../conversation-util/IConversation';
import { ISDEsResponse } from './ISDEResponse';
import { ISDEsRequest } from './ISDEsRequest';
export interface ISDEUtil {
    /**
     * Will set or update SDEs to/of an Engagement via the Engagement Attributes API.
     * @param sdes Array whith the SDEs that should be set/ updated. See Engagement Attributes API-Documentation
     * for more Information on how to structure it.
     * @param visitorId The ID of the visitor.
     * @param sessionId The ID of the session.
     */
    addSDEs(sdes: ISDEsRequest, visitorId: string, sessionId: string): Promise<void>;
    /**
     * Will extract all SDEs (authenticated and unauthenticated if existing) from a provided conversation and order
     * its events by the server-timestamp. The last event is the most recent one.
     * @param conversation the conversation of which the SDEs should be extracted.
     */
    getSDEsFromConv(conversation: IConversation): {
        sdes: ISDEsResponse;
        unAuthSdes: ISDEsResponse;
    };
}