import { CpuUsageData, MemoryData } from '../types';
/**
 * It returns cpu load delta from last time - to be used with SumObservers.
 * When called first time it will return 0 and then delta will be calculated
 */
export declare function getCpuUsageData(): CpuUsageData;
/**
 * Returns memory data as absolute values
 */
export declare function getMemoryData(): MemoryData;