import { calculateLatency, calculateQueriesPerSecond } from './utils';
interface UseQueriesActivityDataResult {
    runningQueriesCount: number;
    uniqueApplications: number;
    uniqueUsers: number;
    qps: ReturnType<typeof calculateQueriesPerSecond>;
    latency: ReturnType<typeof calculateLatency>;
    areChartsAvailable: boolean | null;
}
export declare function useQueriesActivityData(database: string): UseQueriesActivityDataResult;
export {};