export interface CurrentUserJourney {
    contentId: string;
    contentType: string;
    language?: string;
    timestamp: string;
}
export interface RequestParams {
    sections: string[];
    query?: string;
    siteId?: string;
    language?: string;
    pageId?: string;
    isUserQuery?: boolean;
    variationId?: string;
    userJourneyData?: {
        currentUserJourney: CurrentUserJourney[];
        subjectKey: string;
        source: string;
    };
}
export interface SectionPayload {
    sectionData: any;
    sectionName: string;
    sectionType: string;
}
export type ErrorType = 'ServiceError' | 'QuotaExceeded' | 'NoContent';
export interface ErrorPayload {
    errorMessage?: string;
    errorType: ErrorType;
}
export declare class DGEServiceConnector {
    static fetchDataStream(params: RequestParams, onData?: (data: SectionPayload) => void, onError?: (error: ErrorPayload) => void, onComplete?: (collectedData: SectionPayload[]) => void): Promise<void>;
}