http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
public abstract class io.netty.util.Recycler<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: io.netty.util.Recycler
  super_class: java.lang.Object
{
  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

  private static final io.netty.util.Recycler$Handle NOOP_HANDLE;
    descriptor: Lio/netty/util/Recycler$Handle;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.util.concurrent.atomic.AtomicInteger ID_GENERATOR;
    descriptor: Ljava/util/concurrent/atomic/AtomicInteger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int OWN_THREAD_ID;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int DEFAULT_INITIAL_MAX_CAPACITY_PER_THREAD;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 4096

  private static final int DEFAULT_MAX_CAPACITY_PER_THREAD;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int INITIAL_CAPACITY;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int MAX_SHARED_CAPACITY_FACTOR;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int MAX_DELAYED_QUEUES_PER_THREAD;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int LINK_CAPACITY;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int RATIO;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final int maxCapacityPerThread;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int maxSharedCapacityFactor;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int ratioMask;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int maxDelayedQueuesPerThread;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final io.netty.util.concurrent.FastThreadLocal<io.netty.util.Recycler$Stack<T>> threadLocal;
    descriptor: Lio/netty/util/concurrent/FastThreadLocal;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Lio/netty/util/concurrent/FastThreadLocal<Lio/netty/util/Recycler$Stack<TT;>;>;

  private static final io.netty.util.concurrent.FastThreadLocal<java.util.Map<io.netty.util.Recycler$Stack<?>, io.netty.util.Recycler$WeakOrderQueue>> DELAYED_RECYCLED;
    descriptor: Lio/netty/util/concurrent/FastThreadLocal;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Lio/netty/util/concurrent/FastThreadLocal<Ljava/util/Map<Lio/netty/util/Recycler$Stack<*>;Lio/netty/util/Recycler$WeakOrderQueue;>;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=1, args_size=0
         0: .line 42
            ldc Lio/netty/util/Recycler;
            invokestatic io.netty.util.internal.logging.InternalLoggerFactory.getInstance:(Ljava/lang/Class;)Lio/netty/util/internal/logging/InternalLogger;
            putstatic io.netty.util.Recycler.logger:Lio/netty/util/internal/logging/InternalLogger;
         1: .line 45
            new io.netty.util.Recycler$1
            dup
            invokespecial io.netty.util.Recycler$1.<init>:()V
            putstatic io.netty.util.Recycler.NOOP_HANDLE:Lio/netty/util/Recycler$Handle;
         2: .line 51
            new java.util.concurrent.atomic.AtomicInteger
            dup
            ldc -2147483648
            invokespecial java.util.concurrent.atomic.AtomicInteger.<init>:(I)V
            putstatic io.netty.util.Recycler.ID_GENERATOR:Ljava/util/concurrent/atomic/AtomicInteger;
         3: .line 52
            getstatic io.netty.util.Recycler.ID_GENERATOR:Ljava/util/concurrent/atomic/AtomicInteger;
            invokevirtual java.util.concurrent.atomic.AtomicInteger.getAndIncrement:()I
            putstatic io.netty.util.Recycler.OWN_THREAD_ID:I
         4: .line 65
            ldc "io.netty.recycler.maxCapacityPerThread"
         5: .line 66
            ldc "io.netty.recycler.maxCapacity"
            sipush 4096
            invokestatic io.netty.util.internal.SystemPropertyUtil.getInt:(Ljava/lang/String;I)I
         6: .line 65
            invokestatic io.netty.util.internal.SystemPropertyUtil.getInt:(Ljava/lang/String;I)I
            istore 0 /* maxCapacityPerThread */
        start local 0 // int maxCapacityPerThread
         7: .line 67
            iload 0 /* maxCapacityPerThread */
            ifge 9
         8: .line 68
            sipush 4096
            istore 0 /* maxCapacityPerThread */
         9: .line 71
      StackMap locals: int
      StackMap stack:
            iload 0 /* maxCapacityPerThread */
            putstatic io.netty.util.Recycler.DEFAULT_MAX_CAPACITY_PER_THREAD:I
        10: .line 73
            iconst_2
        11: .line 74
            ldc "io.netty.recycler.maxSharedCapacityFactor"
        12: .line 75
            iconst_2
        13: .line 74
            invokestatic io.netty.util.internal.SystemPropertyUtil.getInt:(Ljava/lang/String;I)I
        14: .line 73
            invokestatic java.lang.Math.max:(II)I
            putstatic io.netty.util.Recycler.MAX_SHARED_CAPACITY_FACTOR:I
        15: .line 77
            iconst_0
        16: .line 78
            ldc "io.netty.recycler.maxDelayedQueuesPerThread"
        17: .line 80
            invokestatic io.netty.util.NettyRuntime.availableProcessors:()I
            iconst_2
            imul
        18: .line 78
            invokestatic io.netty.util.internal.SystemPropertyUtil.getInt:(Ljava/lang/String;I)I
        19: .line 77
            invokestatic java.lang.Math.max:(II)I
            putstatic io.netty.util.Recycler.MAX_DELAYED_QUEUES_PER_THREAD:I
        20: .line 83
            ldc "io.netty.recycler.linkCapacity"
            bipush 16
            invokestatic io.netty.util.internal.SystemPropertyUtil.getInt:(Ljava/lang/String;I)I
            bipush 16
            invokestatic java.lang.Math.max:(II)I
        21: .line 82
            invokestatic io.netty.util.internal.MathUtil.safeFindNextPositivePowerOfTwo:(I)I
            putstatic io.netty.util.Recycler.LINK_CAPACITY:I
        22: .line 88
            ldc "io.netty.recycler.ratio"
            bipush 8
            invokestatic io.netty.util.internal.SystemPropertyUtil.getInt:(Ljava/lang/String;I)I
            invokestatic io.netty.util.internal.MathUtil.safeFindNextPositivePowerOfTwo:(I)I
            putstatic io.netty.util.Recycler.RATIO:I
        23: .line 90
            getstatic io.netty.util.Recycler.logger:Lio/netty/util/internal/logging/InternalLogger;
            invokeinterface io.netty.util.internal.logging.InternalLogger.isDebugEnabled:()Z
            ifeq 34
        24: .line 91
            getstatic io.netty.util.Recycler.DEFAULT_MAX_CAPACITY_PER_THREAD:I
            ifne 30
        25: .line 92
            getstatic io.netty.util.Recycler.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "-Dio.netty.recycler.maxCapacityPerThread: disabled"
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;)V
        26: .line 93
            getstatic io.netty.util.Recycler.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "-Dio.netty.recycler.maxSharedCapacityFactor: disabled"
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;)V
        27: .line 94
            getstatic io.netty.util.Recycler.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "-Dio.netty.recycler.linkCapacity: disabled"
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;)V
        28: .line 95
            getstatic io.netty.util.Recycler.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "-Dio.netty.recycler.ratio: disabled"
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;)V
        29: .line 96
            goto 34
        30: .line 97
      StackMap locals:
      StackMap stack:
            getstatic io.netty.util.Recycler.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "-Dio.netty.recycler.maxCapacityPerThread: {}"
            getstatic io.netty.util.Recycler.DEFAULT_MAX_CAPACITY_PER_THREAD:I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;Ljava/lang/Object;)V
        31: .line 98
            getstatic io.netty.util.Recycler.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "-Dio.netty.recycler.maxSharedCapacityFactor: {}"
            getstatic io.netty.util.Recycler.MAX_SHARED_CAPACITY_FACTOR:I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;Ljava/lang/Object;)V
        32: .line 99
            getstatic io.netty.util.Recycler.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "-Dio.netty.recycler.linkCapacity: {}"
            getstatic io.netty.util.Recycler.LINK_CAPACITY:I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;Ljava/lang/Object;)V
        33: .line 100
            getstatic io.netty.util.Recycler.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "-Dio.netty.recycler.ratio: {}"
            getstatic io.netty.util.Recycler.RATIO:I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;Ljava/lang/Object;)V
        34: .line 104
      StackMap locals:
      StackMap stack:
            getstatic io.netty.util.Recycler.DEFAULT_MAX_CAPACITY_PER_THREAD:I
            sipush 256
            invokestatic java.lang.Math.min:(II)I
            putstatic io.netty.util.Recycler.INITIAL_CAPACITY:I
        end local 0 // int maxCapacityPerThread
        35: .line 225
            new io.netty.util.Recycler$3
            dup
            invokespecial io.netty.util.Recycler$3.<init>:()V
        36: .line 224
            putstatic io.netty.util.Recycler.DELAYED_RECYCLED:Lio/netty/util/concurrent/FastThreadLocal;
        37: .line 230
            return
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            7   35     0  maxCapacityPerThread  I

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.util.Recycler this
         0: .line 131
            aload 0 /* this */
            getstatic io.netty.util.Recycler.DEFAULT_MAX_CAPACITY_PER_THREAD:I
            invokespecial io.netty.util.Recycler.<init>:(I)V
         1: .line 132
            return
        end local 0 // io.netty.util.Recycler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/util/Recycler<TT;>;

  protected void <init>(int);
    descriptor: (I)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.util.Recycler this
        start local 1 // int maxCapacityPerThread
         0: .line 135
            aload 0 /* this */
            iload 1 /* maxCapacityPerThread */
            getstatic io.netty.util.Recycler.MAX_SHARED_CAPACITY_FACTOR:I
            invokespecial io.netty.util.Recycler.<init>:(II)V
         1: .line 136
            return
        end local 1 // int maxCapacityPerThread
        end local 0 // io.netty.util.Recycler this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0    2     0                  this  Lio/netty/util/Recycler<TT;>;
            0    2     1  maxCapacityPerThread  I
    MethodParameters:
                      Name  Flags
      maxCapacityPerThread  

  protected void <init>(int, int);
    descriptor: (II)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // io.netty.util.Recycler this
        start local 1 // int maxCapacityPerThread
        start local 2 // int maxSharedCapacityFactor
         0: .line 139
            aload 0 /* this */
            iload 1 /* maxCapacityPerThread */
            iload 2 /* maxSharedCapacityFactor */
            getstatic io.netty.util.Recycler.RATIO:I
            getstatic io.netty.util.Recycler.MAX_DELAYED_QUEUES_PER_THREAD:I
            invokespecial io.netty.util.Recycler.<init>:(IIII)V
         1: .line 140
            return
        end local 2 // int maxSharedCapacityFactor
        end local 1 // int maxCapacityPerThread
        end local 0 // io.netty.util.Recycler this
      LocalVariableTable:
        Start  End  Slot                     Name  Signature
            0    2     0                     this  Lio/netty/util/Recycler<TT;>;
            0    2     1     maxCapacityPerThread  I
            0    2     2  maxSharedCapacityFactor  I
    MethodParameters:
                         Name  Flags
      maxCapacityPerThread     
      maxSharedCapacityFactor  

  protected void <init>(int, int, int, int);
    descriptor: (IIII)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=5, args_size=5
        start local 0 // io.netty.util.Recycler this
        start local 1 // int maxCapacityPerThread
        start local 2 // int maxSharedCapacityFactor
        start local 3 // int ratio
        start local 4 // int maxDelayedQueuesPerThread
         0: .line 142
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 112
            aload 0 /* this */
            new io.netty.util.Recycler$2
            dup
            aload 0 /* this */
            invokespecial io.netty.util.Recycler$2.<init>:(Lio/netty/util/Recycler;)V
            putfield io.netty.util.Recycler.threadLocal:Lio/netty/util/concurrent/FastThreadLocal;
         2: .line 144
            aload 0 /* this */
            iload 3 /* ratio */
            invokestatic io.netty.util.internal.MathUtil.safeFindNextPositivePowerOfTwo:(I)I
            iconst_1
            isub
            putfield io.netty.util.Recycler.ratioMask:I
         3: .line 145
            iload 1 /* maxCapacityPerThread */
            ifgt 8
         4: .line 146
            aload 0 /* this */
            iconst_0
            putfield io.netty.util.Recycler.maxCapacityPerThread:I
         5: .line 147
            aload 0 /* this */
            iconst_1
            putfield io.netty.util.Recycler.maxSharedCapacityFactor:I
         6: .line 148
            aload 0 /* this */
            iconst_0
            putfield io.netty.util.Recycler.maxDelayedQueuesPerThread:I
         7: .line 149
            goto 11
         8: .line 150
      StackMap locals: io.netty.util.Recycler int int int int
      StackMap stack:
            aload 0 /* this */
            iload 1 /* maxCapacityPerThread */
            putfield io.netty.util.Recycler.maxCapacityPerThread:I
         9: .line 151
            aload 0 /* this */
            iconst_1
            iload 2 /* maxSharedCapacityFactor */
            invokestatic java.lang.Math.max:(II)I
            putfield io.netty.util.Recycler.maxSharedCapacityFactor:I
        10: .line 152
            aload 0 /* this */
            iconst_0
            iload 4 /* maxDelayedQueuesPerThread */
            invokestatic java.lang.Math.max:(II)I
            putfield io.netty.util.Recycler.maxDelayedQueuesPerThread:I
        11: .line 154
      StackMap locals:
      StackMap stack:
            return
        end local 4 // int maxDelayedQueuesPerThread
        end local 3 // int ratio
        end local 2 // int maxSharedCapacityFactor
        end local 1 // int maxCapacityPerThread
        end local 0 // io.netty.util.Recycler this
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0   12     0                       this  Lio/netty/util/Recycler<TT;>;
            0   12     1       maxCapacityPerThread  I
            0   12     2    maxSharedCapacityFactor  I
            0   12     3                      ratio  I
            0   12     4  maxDelayedQueuesPerThread  I
    MethodParameters:
                           Name  Flags
      maxCapacityPerThread       
      maxSharedCapacityFactor    
      ratio                      
      maxDelayedQueuesPerThread  

  public final T get();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // io.netty.util.Recycler this
         0: .line 158
            aload 0 /* this */
            getfield io.netty.util.Recycler.maxCapacityPerThread:I
            ifne 2
         1: .line 159
            aload 0 /* this */
            getstatic io.netty.util.Recycler.NOOP_HANDLE:Lio/netty/util/Recycler$Handle;
            invokevirtual io.netty.util.Recycler.newObject:(Lio/netty/util/Recycler$Handle;)Ljava/lang/Object;
            areturn
         2: .line 161
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.util.Recycler.threadLocal:Lio/netty/util/concurrent/FastThreadLocal;
            invokevirtual io.netty.util.concurrent.FastThreadLocal.get:()Ljava/lang/Object;
            checkcast io.netty.util.Recycler$Stack
            astore 1 /* stack */
        start local 1 // io.netty.util.Recycler$Stack stack
         3: .line 162
            aload 1 /* stack */
            invokevirtual io.netty.util.Recycler$Stack.pop:()Lio/netty/util/Recycler$DefaultHandle;
            astore 2 /* handle */
        start local 2 // io.netty.util.Recycler$DefaultHandle handle
         4: .line 163
            aload 2 /* handle */
            ifnonnull 7
         5: .line 164
            aload 1 /* stack */
            invokevirtual io.netty.util.Recycler$Stack.newHandle:()Lio/netty/util/Recycler$DefaultHandle;
            astore 2 /* handle */
         6: .line 165
            aload 2 /* handle */
            aload 0 /* this */
            aload 2 /* handle */
            invokevirtual io.netty.util.Recycler.newObject:(Lio/netty/util/Recycler$Handle;)Ljava/lang/Object;
            putfield io.netty.util.Recycler$DefaultHandle.value:Ljava/lang/Object;
         7: .line 167
      StackMap locals: io.netty.util.Recycler$Stack io.netty.util.Recycler$DefaultHandle
      StackMap stack:
            aload 2 /* handle */
            getfield io.netty.util.Recycler$DefaultHandle.value:Ljava/lang/Object;
            areturn
        end local 2 // io.netty.util.Recycler$DefaultHandle handle
        end local 1 // io.netty.util.Recycler$Stack stack
        end local 0 // io.netty.util.Recycler this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0    this  Lio/netty/util/Recycler<TT;>;
            3    8     1   stack  Lio/netty/util/Recycler$Stack<TT;>;
            4    8     2  handle  Lio/netty/util/Recycler$DefaultHandle<TT;>;
    Signature: ()TT;

  public final boolean recycle(T, io.netty.util.Recycler$Handle<T>);
    descriptor: (Ljava/lang/Object;Lio/netty/util/Recycler$Handle;)Z
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=4, args_size=3
        start local 0 // io.netty.util.Recycler this
        start local 1 // java.lang.Object o
        start local 2 // io.netty.util.Recycler$Handle handle
         0: .line 175
            aload 2 /* handle */
            getstatic io.netty.util.Recycler.NOOP_HANDLE:Lio/netty/util/Recycler$Handle;
            if_acmpne 2
         1: .line 176
            iconst_0
            ireturn
         2: .line 179
      StackMap locals:
      StackMap stack:
            aload 2 /* handle */
            checkcast io.netty.util.Recycler$DefaultHandle
            astore 3 /* h */
        start local 3 // io.netty.util.Recycler$DefaultHandle h
         3: .line 180
            aload 3 /* h */
            getfield io.netty.util.Recycler$DefaultHandle.stack:Lio/netty/util/Recycler$Stack;
            getfield io.netty.util.Recycler$Stack.parent:Lio/netty/util/Recycler;
            aload 0 /* this */
            if_acmpeq 5
         4: .line 181
            iconst_0
            ireturn
         5: .line 184
      StackMap locals: io.netty.util.Recycler$DefaultHandle
      StackMap stack:
            aload 3 /* h */
            aload 1 /* o */
            invokevirtual io.netty.util.Recycler$DefaultHandle.recycle:(Ljava/lang/Object;)V
         6: .line 185
            iconst_1
            ireturn
        end local 3 // io.netty.util.Recycler$DefaultHandle h
        end local 2 // io.netty.util.Recycler$Handle handle
        end local 1 // java.lang.Object o
        end local 0 // io.netty.util.Recycler this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0    this  Lio/netty/util/Recycler<TT;>;
            0    7     1       o  TT;
            0    7     2  handle  Lio/netty/util/Recycler$Handle<TT;>;
            3    7     3       h  Lio/netty/util/Recycler$DefaultHandle<TT;>;
    Signature: (TT;Lio/netty/util/Recycler$Handle<TT;>;)Z
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
    MethodParameters:
        Name  Flags
      o       
      handle  

  final int threadLocalCapacity();
    descriptor: ()I
    flags: (0x0010) ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.util.Recycler this
         0: .line 189
            aload 0 /* this */
            getfield io.netty.util.Recycler.threadLocal:Lio/netty/util/concurrent/FastThreadLocal;
            invokevirtual io.netty.util.concurrent.FastThreadLocal.get:()Ljava/lang/Object;
            checkcast io.netty.util.Recycler$Stack
            getfield io.netty.util.Recycler$Stack.elements:[Lio/netty/util/Recycler$DefaultHandle;
            arraylength
            ireturn
        end local 0 // io.netty.util.Recycler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/util/Recycler<TT;>;

  final int threadLocalSize();
    descriptor: ()I
    flags: (0x0010) ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.util.Recycler this
         0: .line 193
            aload 0 /* this */
            getfield io.netty.util.Recycler.threadLocal:Lio/netty/util/concurrent/FastThreadLocal;
            invokevirtual io.netty.util.concurrent.FastThreadLocal.get:()Ljava/lang/Object;
            checkcast io.netty.util.Recycler$Stack
            getfield io.netty.util.Recycler$Stack.size:I
            ireturn
        end local 0 // io.netty.util.Recycler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/util/Recycler<TT;>;

  protected abstract T newObject(io.netty.util.Recycler$Handle<T>);
    descriptor: (Lio/netty/util/Recycler$Handle;)Ljava/lang/Object;
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Signature: (Lio/netty/util/Recycler$Handle<TT;>;)TT;
    MethodParameters:
        Name  Flags
      handle  
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "Recycler.java"
NestMembers:
  io.netty.util.Recycler$1  io.netty.util.Recycler$2  io.netty.util.Recycler$3  io.netty.util.Recycler$DefaultHandle  io.netty.util.Recycler$Handle  io.netty.util.Recycler$Stack  io.netty.util.Recycler$WeakOrderQueue  io.netty.util.Recycler$WeakOrderQueue$Head  io.netty.util.Recycler$WeakOrderQueue$Link
InnerClasses:
  io.netty.util.Recycler$1
  io.netty.util.Recycler$2
  io.netty.util.Recycler$3
  final DefaultHandle = io.netty.util.Recycler$DefaultHandle of io.netty.util.Recycler
  public abstract Handle = io.netty.util.Recycler$Handle of io.netty.util.Recycler
  final Stack = io.netty.util.Recycler$Stack of io.netty.util.Recycler
  private final WeakOrderQueue = io.netty.util.Recycler$WeakOrderQueue of io.netty.util.Recycler