final class io.netty.util.internal.CleanerJava6 implements io.netty.util.internal.Cleaner
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: io.netty.util.internal.CleanerJava6
  super_class: java.lang.Object
{
  private static final long CLEANER_FIELD_OFFSET;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.reflect.Method CLEAN_METHOD;
    descriptor: Ljava/lang/reflect/Method;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final io.netty.util.internal.logging.InternalLogger logger;
    descriptor: Lio/netty/util/internal/logging/InternalLogger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=7, args_size=0
         0: .line 36
            ldc Lio/netty/util/internal/CleanerJava6;
            invokestatic io.netty.util.internal.logging.InternalLoggerFactory.getInstance:(Ljava/lang/Class;)Lio/netty/util/internal/logging/InternalLogger;
            putstatic io.netty.util.internal.CleanerJava6.logger:Lio/netty/util/internal/logging/InternalLogger;
         1: .line 39
            ldc -1
            lstore 0 /* fieldOffset */
        start local 0 // long fieldOffset
         2: .line 40
            aconst_null
            astore 2 /* clean */
        start local 2 // java.lang.reflect.Method clean
         3: .line 41
            aconst_null
            astore 3 /* error */
        start local 3 // java.lang.Throwable error
         4: .line 42
            invokestatic io.netty.util.internal.PlatformDependent0.hasUnsafe:()Z
            ifeq 17
         5: .line 43
            iconst_1
            invokestatic java.nio.ByteBuffer.allocateDirect:(I)Ljava/nio/ByteBuffer;
            astore 4 /* direct */
        start local 4 // java.nio.ByteBuffer direct
         6: .line 45
            aload 4 /* direct */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            ldc "cleaner"
            invokevirtual java.lang.Class.getDeclaredField:(Ljava/lang/String;)Ljava/lang/reflect/Field;
            astore 5 /* cleanerField */
        start local 5 // java.lang.reflect.Field cleanerField
         7: .line 46
            aload 5 /* cleanerField */
            invokestatic io.netty.util.internal.PlatformDependent0.objectFieldOffset:(Ljava/lang/reflect/Field;)J
            lstore 0 /* fieldOffset */
         8: .line 47
            aload 4 /* direct */
            lload 0 /* fieldOffset */
            invokestatic io.netty.util.internal.PlatformDependent0.getObject:(Ljava/lang/Object;J)Ljava/lang/Object;
            astore 6 /* cleaner */
        start local 6 // java.lang.Object cleaner
         9: .line 48
            aload 6 /* cleaner */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            ldc "clean"
            iconst_0
            anewarray java.lang.Class
            invokevirtual java.lang.Class.getDeclaredMethod:(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;
            astore 2 /* clean */
        10: .line 49
            aload 2 /* clean */
            aload 6 /* cleaner */
            iconst_0
            anewarray java.lang.Object
            invokevirtual java.lang.reflect.Method.invoke:(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 6 // java.lang.Object cleaner
        end local 5 // java.lang.reflect.Field cleanerField
        11: .line 50
            goto 18
      StackMap locals: long java.lang.reflect.Method java.lang.Throwable java.nio.ByteBuffer
      StackMap stack: java.lang.Throwable
        12: astore 5 /* t */
        start local 5 // java.lang.Throwable t
        13: .line 52
            ldc -1
            lstore 0 /* fieldOffset */
        14: .line 53
            aconst_null
            astore 2 /* clean */
        15: .line 54
            aload 5 /* t */
            astore 3 /* error */
        end local 5 // java.lang.Throwable t
        end local 4 // java.nio.ByteBuffer direct
        16: .line 56
            goto 18
        17: .line 57
      StackMap locals:
      StackMap stack:
            new java.lang.UnsupportedOperationException
            dup
            ldc "sun.misc.Unsafe unavailable"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            astore 3 /* error */
        18: .line 59
      StackMap locals:
      StackMap stack:
            aload 3 /* error */
            ifnonnull 21
        19: .line 60
            getstatic io.netty.util.internal.CleanerJava6.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "java.nio.ByteBuffer.cleaner(): available"
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;)V
        20: .line 61
            goto 22
        21: .line 62
      StackMap locals:
      StackMap stack:
            getstatic io.netty.util.internal.CleanerJava6.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "java.nio.ByteBuffer.cleaner(): unavailable"
            aload 3 /* error */
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;Ljava/lang/Throwable;)V
        22: .line 64
      StackMap locals:
      StackMap stack:
            lload 0 /* fieldOffset */
            putstatic io.netty.util.internal.CleanerJava6.CLEANER_FIELD_OFFSET:J
        23: .line 65
            aload 2 /* clean */
            putstatic io.netty.util.internal.CleanerJava6.CLEAN_METHOD:Ljava/lang/reflect/Method;
        end local 3 // java.lang.Throwable error
        end local 2 // java.lang.reflect.Method clean
        end local 0 // long fieldOffset
        24: .line 66
            return
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            2   24     0   fieldOffset  J
            3   24     2         clean  Ljava/lang/reflect/Method;
            4   24     3         error  Ljava/lang/Throwable;
            6   16     4        direct  Ljava/nio/ByteBuffer;
            7   11     5  cleanerField  Ljava/lang/reflect/Field;
            9   11     6       cleaner  Ljava/lang/Object;
           13   16     5             t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           6    11      12  Class java.lang.Throwable

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.util.internal.CleanerJava6 this
         0: .line 32
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // io.netty.util.internal.CleanerJava6 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/util/internal/CleanerJava6;

  static boolean isSupported();
    descriptor: ()Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 69
            getstatic io.netty.util.internal.CleanerJava6.CLEANER_FIELD_OFFSET:J
            ldc -1
            lcmp
            ifeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void freeDirectBuffer(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // io.netty.util.internal.CleanerJava6 this
        start local 1 // java.nio.ByteBuffer buffer
         0: .line 74
            aload 1 /* buffer */
            invokevirtual java.nio.ByteBuffer.isDirect:()Z
            ifne 2
         1: .line 75
            return
         2: .line 78
      StackMap locals:
      StackMap stack:
            aload 1 /* buffer */
            getstatic io.netty.util.internal.CleanerJava6.CLEANER_FIELD_OFFSET:J
            invokestatic io.netty.util.internal.PlatformDependent0.getObject:(Ljava/lang/Object;J)Ljava/lang/Object;
            astore 2 /* cleaner */
        start local 2 // java.lang.Object cleaner
         3: .line 79
            aload 2 /* cleaner */
            ifnull 8
         4: .line 80
            getstatic io.netty.util.internal.CleanerJava6.CLEAN_METHOD:Ljava/lang/reflect/Method;
            aload 2 /* cleaner */
            iconst_0
            anewarray java.lang.Object
            invokevirtual java.lang.reflect.Method.invoke:(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 2 // java.lang.Object cleaner
         5: .line 82
            goto 8
      StackMap locals:
      StackMap stack: java.lang.Throwable
         6: astore 2 /* cause */
        start local 2 // java.lang.Throwable cause
         7: .line 83
            aload 2 /* cause */
            invokestatic io.netty.util.internal.PlatformDependent0.throwException:(Ljava/lang/Throwable;)V
        end local 2 // java.lang.Throwable cause
         8: .line 85
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.nio.ByteBuffer buffer
        end local 0 // io.netty.util.internal.CleanerJava6 this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    9     0     this  Lio/netty/util/internal/CleanerJava6;
            0    9     1   buffer  Ljava/nio/ByteBuffer;
            3    5     2  cleaner  Ljava/lang/Object;
            7    8     2    cause  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           2     5       6  Class java.lang.Throwable
    MethodParameters:
        Name  Flags
      buffer  
}
SourceFile: "CleanerJava6.java"