export class AbstractStatisticStorage {
    constructor({ logger }: {
        logger?: any;
    });
    logger: any;
    updateStats(event: any, { granularity }?: {
        granularity?: number;
    }): Promise<void>;
    getStats(org_id: any, instance_id: any, { date, extraFields }?: {
        date?: any;
        extraFields?: {};
    }): Promise<void>;
    getDailyStats(org_id: any, instance_id: any, startDateYYYYMMDD: any, endDateYYYYMMDD: any, { extraFields }?: {
        extraFields?: {};
    }): Promise<void>;
    getAggregatedDailyStats(org_id: any, instance_id: any, startDateYYYYMMDD: any, endDateYYYYMMDD: any, { extraFields }?: {
        extraFields?: {};
    }): Promise<void>;
}
export namespace STATISTIC_GRANULARITY {
    let total: number;
    let daily: number;
}