interface HeapInfo
total_heap_size: numbertotal_heap_size_executable: numbertotal_physical_size: numbertotal_available_size: numberused_heap_size: numberheap_size_limit: numbermalloced_memory: numberpeak_malloced_memory: numbernumber_of_native_contexts: numbernumber_of_detached_contexts: numbertotal_global_handles_size: numberused_global_handles_size: numberexternal_memory: number