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 class io.netty.channel.AdaptiveRecvByteBufAllocator extends io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.channel.AdaptiveRecvByteBufAllocator
  super_class: io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator
{
  static final int DEFAULT_MINIMUM;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 64

  static final int DEFAULT_INITIAL;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 1024

  static final int DEFAULT_MAXIMUM;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 65536

  private static final int INDEX_INCREMENT;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 4

  private static final int INDEX_DECREMENT;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 1

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

  public static final io.netty.channel.AdaptiveRecvByteBufAllocator DEFAULT;
    descriptor: Lio/netty/channel/AdaptiveRecvByteBufAllocator;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()

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

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

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

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=2, args_size=0
         0: .line 46
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 0 /* sizeTable */
        start local 0 // java.util.List sizeTable
         1: .line 47
            bipush 16
            istore 1 /* i */
        start local 1 // int i
         2: goto 5
         3: .line 48
      StackMap locals: java.util.List int
      StackMap stack:
            aload 0 /* sizeTable */
            iload 1 /* i */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         4: .line 47
            iinc 1 /* i */ 16
      StackMap locals:
      StackMap stack:
         5: iload 1 /* i */
            sipush 512
            if_icmplt 3
        end local 1 // int i
         6: .line 51
            sipush 512
            istore 1 /* i */
        start local 1 // int i
         7: goto 10
         8: .line 52
      StackMap locals:
      StackMap stack:
            aload 0 /* sizeTable */
            iload 1 /* i */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         9: .line 51
            iload 1 /* i */
            iconst_1
            ishl
            istore 1 /* i */
      StackMap locals:
      StackMap stack:
        10: iload 1 /* i */
            ifgt 8
        end local 1 // int i
        11: .line 55
            aload 0 /* sizeTable */
            invokeinterface java.util.List.size:()I
            newarray 10
            putstatic io.netty.channel.AdaptiveRecvByteBufAllocator.SIZE_TABLE:[I
        12: .line 56
            iconst_0
            istore 1 /* i */
        start local 1 // int i
        13: goto 16
        14: .line 57
      StackMap locals:
      StackMap stack:
            getstatic io.netty.channel.AdaptiveRecvByteBufAllocator.SIZE_TABLE:[I
            iload 1 /* i */
            aload 0 /* sizeTable */
            iload 1 /* i */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast java.lang.Integer
            invokevirtual java.lang.Integer.intValue:()I
            iastore
        15: .line 56
            iinc 1 /* i */ 1
      StackMap locals:
      StackMap stack:
        16: iload 1 /* i */
            getstatic io.netty.channel.AdaptiveRecvByteBufAllocator.SIZE_TABLE:[I
            arraylength
            if_icmplt 14
        end local 1 // int i
        end local 0 // java.util.List sizeTable
        17: .line 65
            new io.netty.channel.AdaptiveRecvByteBufAllocator
            dup
            invokespecial io.netty.channel.AdaptiveRecvByteBufAllocator.<init>:()V
            putstatic io.netty.channel.AdaptiveRecvByteBufAllocator.DEFAULT:Lio/netty/channel/AdaptiveRecvByteBufAllocator;
            return
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            1   17     0  sizeTable  Ljava/util/List<Ljava/lang/Integer;>;
            2    6     1          i  I
            7   11     1          i  I
           13   17     1          i  I

  private static int getSizeTableIndex(int);
    descriptor: (I)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=6, args_size=1
        start local 0 // int size
         0: .line 68
            iconst_0
            istore 1 /* low */
        start local 1 // int low
         1: getstatic io.netty.channel.AdaptiveRecvByteBufAllocator.SIZE_TABLE:[I
            arraylength
            iconst_1
            isub
            istore 2 /* high */
        start local 2 // int high
         2: .line 69
      StackMap locals: int int
      StackMap stack:
            iload 2 /* high */
            iload 1 /* low */
            if_icmpge 4
         3: .line 70
            iload 1 /* low */
            ireturn
         4: .line 72
      StackMap locals:
      StackMap stack:
            iload 2 /* high */
            iload 1 /* low */
            if_icmpne 6
         5: .line 73
            iload 2 /* high */
            ireturn
         6: .line 76
      StackMap locals:
      StackMap stack:
            iload 1 /* low */
            iload 2 /* high */
            iadd
            iconst_1
            iushr
            istore 3 /* mid */
        start local 3 // int mid
         7: .line 77
            getstatic io.netty.channel.AdaptiveRecvByteBufAllocator.SIZE_TABLE:[I
            iload 3 /* mid */
            iaload
            istore 4 /* a */
        start local 4 // int a
         8: .line 78
            getstatic io.netty.channel.AdaptiveRecvByteBufAllocator.SIZE_TABLE:[I
            iload 3 /* mid */
            iconst_1
            iadd
            iaload
            istore 5 /* b */
        start local 5 // int b
         9: .line 79
            iload 0 /* size */
            iload 5 /* b */
            if_icmple 12
        10: .line 80
            iload 3 /* mid */
            iconst_1
            iadd
            istore 1 /* low */
        11: .line 81
            goto 2
      StackMap locals: int int int
      StackMap stack:
        12: iload 0 /* size */
            iload 4 /* a */
            if_icmpge 15
        13: .line 82
            iload 3 /* mid */
            iconst_1
            isub
            istore 2 /* high */
        14: .line 83
            goto 2
      StackMap locals:
      StackMap stack:
        15: iload 0 /* size */
            iload 4 /* a */
            if_icmpne 17
        16: .line 84
            iload 3 /* mid */
            ireturn
        17: .line 86
      StackMap locals:
      StackMap stack:
            iload 3 /* mid */
            iconst_1
            iadd
            ireturn
        end local 5 // int b
        end local 4 // int a
        end local 3 // int mid
        end local 2 // int high
        end local 1 // int low
        end local 0 // int size
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   18     0  size  I
            1   18     1   low  I
            2   18     2  high  I
            7   18     3   mid  I
            8   18     4     a  I
            9   18     5     b  I
    MethodParameters:
      Name  Flags
      size  final

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // io.netty.channel.AdaptiveRecvByteBufAllocator this
         0: .line 155
            aload 0 /* this */
            bipush 64
            sipush 1024
            ldc 65536
            invokespecial io.netty.channel.AdaptiveRecvByteBufAllocator.<init>:(III)V
         1: .line 156
            return
        end local 0 // io.netty.channel.AdaptiveRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/AdaptiveRecvByteBufAllocator;

  public void <init>(int, int, int);
    descriptor: (III)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=6, args_size=4
        start local 0 // io.netty.channel.AdaptiveRecvByteBufAllocator this
        start local 1 // int minimum
        start local 2 // int initial
        start local 3 // int maximum
         0: .line 165
            aload 0 /* this */
            invokespecial io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator.<init>:()V
         1: .line 166
            iload 1 /* minimum */
            ifgt 3
         2: .line 167
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "minimum: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* minimum */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 169
      StackMap locals: io.netty.channel.AdaptiveRecvByteBufAllocator int int int
      StackMap stack:
            iload 2 /* initial */
            iload 1 /* minimum */
            if_icmpge 5
         4: .line 170
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "initial: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 2 /* initial */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 172
      StackMap locals:
      StackMap stack:
            iload 3 /* maximum */
            iload 2 /* initial */
            if_icmpge 7
         6: .line 173
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "maximum: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 3 /* maximum */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 176
      StackMap locals:
      StackMap stack:
            iload 1 /* minimum */
            invokestatic io.netty.channel.AdaptiveRecvByteBufAllocator.getSizeTableIndex:(I)I
            istore 4 /* minIndex */
        start local 4 // int minIndex
         8: .line 177
            getstatic io.netty.channel.AdaptiveRecvByteBufAllocator.SIZE_TABLE:[I
            iload 4 /* minIndex */
            iaload
            iload 1 /* minimum */
            if_icmpge 11
         9: .line 178
            aload 0 /* this */
            iload 4 /* minIndex */
            iconst_1
            iadd
            putfield io.netty.channel.AdaptiveRecvByteBufAllocator.minIndex:I
        10: .line 179
            goto 12
        11: .line 180
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            iload 4 /* minIndex */
            putfield io.netty.channel.AdaptiveRecvByteBufAllocator.minIndex:I
        12: .line 183
      StackMap locals:
      StackMap stack:
            iload 3 /* maximum */
            invokestatic io.netty.channel.AdaptiveRecvByteBufAllocator.getSizeTableIndex:(I)I
            istore 5 /* maxIndex */
        start local 5 // int maxIndex
        13: .line 184
            getstatic io.netty.channel.AdaptiveRecvByteBufAllocator.SIZE_TABLE:[I
            iload 5 /* maxIndex */
            iaload
            iload 3 /* maximum */
            if_icmple 16
        14: .line 185
            aload 0 /* this */
            iload 5 /* maxIndex */
            iconst_1
            isub
            putfield io.netty.channel.AdaptiveRecvByteBufAllocator.maxIndex:I
        15: .line 186
            goto 17
        16: .line 187
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            iload 5 /* maxIndex */
            putfield io.netty.channel.AdaptiveRecvByteBufAllocator.maxIndex:I
        17: .line 190
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 2 /* initial */
            putfield io.netty.channel.AdaptiveRecvByteBufAllocator.initial:I
        18: .line 191
            return
        end local 5 // int maxIndex
        end local 4 // int minIndex
        end local 3 // int maximum
        end local 2 // int initial
        end local 1 // int minimum
        end local 0 // io.netty.channel.AdaptiveRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   19     0      this  Lio/netty/channel/AdaptiveRecvByteBufAllocator;
            0   19     1   minimum  I
            0   19     2   initial  I
            0   19     3   maximum  I
            8   19     4  minIndex  I
           13   19     5  maxIndex  I
    MethodParameters:
         Name  Flags
      minimum  
      initial  
      maximum  

  public io.netty.channel.RecvByteBufAllocator$Handle newHandle();
    descriptor: ()Lio/netty/channel/RecvByteBufAllocator$Handle;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=1, args_size=1
        start local 0 // io.netty.channel.AdaptiveRecvByteBufAllocator this
         0: .line 196
            new io.netty.channel.AdaptiveRecvByteBufAllocator$HandleImpl
            dup
            aload 0 /* this */
            aload 0 /* this */
            getfield io.netty.channel.AdaptiveRecvByteBufAllocator.minIndex:I
            aload 0 /* this */
            getfield io.netty.channel.AdaptiveRecvByteBufAllocator.maxIndex:I
            aload 0 /* this */
            getfield io.netty.channel.AdaptiveRecvByteBufAllocator.initial:I
            invokespecial io.netty.channel.AdaptiveRecvByteBufAllocator$HandleImpl.<init>:(Lio/netty/channel/AdaptiveRecvByteBufAllocator;III)V
            areturn
        end local 0 // io.netty.channel.AdaptiveRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/AdaptiveRecvByteBufAllocator;

  public io.netty.channel.AdaptiveRecvByteBufAllocator respectMaybeMoreData(boolean);
    descriptor: (Z)Lio/netty/channel/AdaptiveRecvByteBufAllocator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.channel.AdaptiveRecvByteBufAllocator this
        start local 1 // boolean respectMaybeMoreData
         0: .line 201
            aload 0 /* this */
            iload 1 /* respectMaybeMoreData */
            invokespecial io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator.respectMaybeMoreData:(Z)Lio/netty/channel/DefaultMaxMessagesRecvByteBufAllocator;
            pop
         1: .line 202
            aload 0 /* this */
            areturn
        end local 1 // boolean respectMaybeMoreData
        end local 0 // io.netty.channel.AdaptiveRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0    2     0                  this  Lio/netty/channel/AdaptiveRecvByteBufAllocator;
            0    2     1  respectMaybeMoreData  Z
    MethodParameters:
                      Name  Flags
      respectMaybeMoreData  

  public io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator respectMaybeMoreData(boolean);
    descriptor: (Z)Lio/netty/channel/DefaultMaxMessagesRecvByteBufAllocator;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            iload 1
            invokevirtual io.netty.channel.AdaptiveRecvByteBufAllocator.respectMaybeMoreData:(Z)Lio/netty/channel/AdaptiveRecvByteBufAllocator;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "AdaptiveRecvByteBufAllocator.java"
NestMembers:
  io.netty.channel.AdaptiveRecvByteBufAllocator$HandleImpl
InnerClasses:
  private final HandleImpl = io.netty.channel.AdaptiveRecvByteBufAllocator$HandleImpl of io.netty.channel.AdaptiveRecvByteBufAllocator
  public abstract Handle = io.netty.channel.RecvByteBufAllocator$Handle of io.netty.channel.RecvByteBufAllocator