public abstract class sun.awt.image.VSyncedBSManager
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: sun.awt.image.VSyncedBSManager
  super_class: java.lang.Object
{
  private static sun.awt.image.VSyncedBSManager theInstance;
    descriptor: Lsun/awt/image/VSyncedBSManager;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private static final boolean vSyncLimit;
    descriptor: Z
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 40
            new sun.security.action.GetPropertyAction
            dup
         1: .line 41
            ldc "sun.java2d.vsynclimit"
            ldc "true"
         2: .line 40
            invokespecial sun.security.action.GetPropertyAction.<init>:(Ljava/lang/String;Ljava/lang/String;)V
         3: .line 39
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            checkcast java.lang.String
            invokestatic java.lang.Boolean.valueOf:(Ljava/lang/String;)Ljava/lang/Boolean;
            invokevirtual java.lang.Boolean.booleanValue:()Z
         4: .line 38
            putstatic sun.awt.image.VSyncedBSManager.vSyncLimit:Z
         5: .line 41
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.awt.image.VSyncedBSManager this
         0: .line 34
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // sun.awt.image.VSyncedBSManager this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/awt/image/VSyncedBSManager;

  private static sun.awt.image.VSyncedBSManager getInstance(boolean);
    descriptor: (Z)Lsun/awt/image/VSyncedBSManager;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // boolean create
         0: .line 44
            getstatic sun.awt.image.VSyncedBSManager.theInstance:Lsun/awt/image/VSyncedBSManager;
            ifnonnull 4
            iload 0 /* create */
            ifeq 4
         1: .line 46
            getstatic sun.awt.image.VSyncedBSManager.vSyncLimit:Z
            ifeq 2
            new sun.awt.image.VSyncedBSManager$SingleVSyncedBSMgr
            dup
            invokespecial sun.awt.image.VSyncedBSManager$SingleVSyncedBSMgr.<init>:()V
            goto 3
      StackMap locals:
      StackMap stack:
         2: new sun.awt.image.VSyncedBSManager$NoLimitVSyncBSMgr
            dup
            invokespecial sun.awt.image.VSyncedBSManager$NoLimitVSyncBSMgr.<init>:()V
         3: .line 45
      StackMap locals:
      StackMap stack: sun.awt.image.VSyncedBSManager
            putstatic sun.awt.image.VSyncedBSManager.theInstance:Lsun/awt/image/VSyncedBSManager;
         4: .line 48
      StackMap locals:
      StackMap stack:
            getstatic sun.awt.image.VSyncedBSManager.theInstance:Lsun/awt/image/VSyncedBSManager;
            areturn
        end local 0 // boolean create
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0  create  Z
    MethodParameters:
        Name  Flags
      create  

  abstract boolean checkAllowed(java.awt.image.BufferStrategy);
    descriptor: (Ljava/awt/image/BufferStrategy;)Z
    flags: (0x0400) ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      bs    

  abstract void relinquishVsync(java.awt.image.BufferStrategy);
    descriptor: (Ljava/awt/image/BufferStrategy;)V
    flags: (0x0400) ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      bs    

  public static boolean vsyncAllowed(java.awt.image.BufferStrategy);
    descriptor: (Ljava/awt/image/BufferStrategy;)Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.awt.image.BufferStrategy bs
         0: .line 61
            iconst_1
            invokestatic sun.awt.image.VSyncedBSManager.getInstance:(Z)Lsun/awt/image/VSyncedBSManager;
            astore 1 /* bsm */
        start local 1 // sun.awt.image.VSyncedBSManager bsm
         1: .line 62
            aload 1 /* bsm */
            aload 0 /* bs */
            invokevirtual sun.awt.image.VSyncedBSManager.checkAllowed:(Ljava/awt/image/BufferStrategy;)Z
            ireturn
        end local 1 // sun.awt.image.VSyncedBSManager bsm
        end local 0 // java.awt.image.BufferStrategy bs
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0    bs  Ljava/awt/image/BufferStrategy;
            1    2     1   bsm  Lsun/awt/image/VSyncedBSManager;
    MethodParameters:
      Name  Flags
      bs    

  public static synchronized void releaseVsync(java.awt.image.BufferStrategy);
    descriptor: (Ljava/awt/image/BufferStrategy;)V
    flags: (0x0029) ACC_PUBLIC, ACC_STATIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.awt.image.BufferStrategy bs
         0: .line 70
            iconst_0
            invokestatic sun.awt.image.VSyncedBSManager.getInstance:(Z)Lsun/awt/image/VSyncedBSManager;
            astore 1 /* bsm */
        start local 1 // sun.awt.image.VSyncedBSManager bsm
         1: .line 71
            aload 1 /* bsm */
            ifnull 3
         2: .line 72
            aload 1 /* bsm */
            aload 0 /* bs */
            invokevirtual sun.awt.image.VSyncedBSManager.relinquishVsync:(Ljava/awt/image/BufferStrategy;)V
         3: .line 74
      StackMap locals: sun.awt.image.VSyncedBSManager
      StackMap stack:
            return
        end local 1 // sun.awt.image.VSyncedBSManager bsm
        end local 0 // java.awt.image.BufferStrategy bs
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0    bs  Ljava/awt/image/BufferStrategy;
            1    4     1   bsm  Lsun/awt/image/VSyncedBSManager;
    MethodParameters:
      Name  Flags
      bs    
}
SourceFile: "VSyncedBSManager.java"
NestMembers:
  sun.awt.image.VSyncedBSManager$NoLimitVSyncBSMgr  sun.awt.image.VSyncedBSManager$SingleVSyncedBSMgr
InnerClasses:
  private final NoLimitVSyncBSMgr = sun.awt.image.VSyncedBSManager$NoLimitVSyncBSMgr of sun.awt.image.VSyncedBSManager
  private final SingleVSyncedBSMgr = sun.awt.image.VSyncedBSManager$SingleVSyncedBSMgr of sun.awt.image.VSyncedBSManager