public DirectTrackingAllocator(int blockSize, Counter bytesUsed) {super(blockSize);this.bytesUsed = bytesUsed;}

public DirectTrackingAllocator ( int blockSize , Counter bytesUsed ) { super ( blockSize ) ; this . bytesUsed = bytesUsed ; }
public DirectTrackingAllocator(int blockSize, Counter bytesUsed): base(blockSize){this.bytesUsed = bytesUsed;}
