question: public SnapshotInfo ( String path , String prefix , String jvmInfo , int identifierSize , Date creationDate , int numberOfObjects , int numberOfGCRoots , int numberOfClasses , int numberOfClassLoaders , long usedHeapSize ) { this . path = path ; this . prefix = prefix ; this . jvmInfo = jvmInfo ; this . identifierSize = identifierSize ; this . creationDate = creationDate != null ? new Date ( creationDate . getTime ( ) ) : null ; this . numberOfObjects = numberOfObjects ; this . numberOfGCRoots = numberOfGCRoots ; this . numberOfClasses = numberOfClasses ; this . numberOfClassLoaders = numberOfClassLoaders ; this . usedHeapSize = usedHeapSize ; this . properties = new HashMap < String , Serializable > ( ) ; }
target:  Construct a snapshot info.