58 

    58 

    59 // Forward declarations

    59 // Forward declarations

    60 class HeapRegion;

    60 class HeapRegion;

    61 class HRRSCleanupTask;

    61 class HRRSCleanupTask;

    62 class GenerationSpec;

    62 class GenerationSpec;

    64 class G1ParScanThreadState;

    63 class G1ParScanThreadState;

    65 class G1ParScanThreadStateSet;

    64 class G1ParScanThreadStateSet;

    66 class G1KlassScanClosure;

    65 class G1KlassScanClosure;

    67 class G1ParScanThreadState;

    66 class G1ParScanThreadState;

    68 class ObjectClosure;

    67 class ObjectClosure;