interface HeapStatistics

#totalHeapSize: number

#totalHeapSizeExecutable: number

#totalPhysicalSize: number

#totalAvailableSize: number

#totalGlobalHandlesSize: number

#usedGlobalHandlesSize: number

#usedHeapSize: number

#heapSizeLimit: number

#mallocedMemory: number

#externalMemory: number

#peakMallocedMemory: number