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.DefaultMaxBytesRecvByteBufAllocator implements io.netty.channel.MaxBytesRecvByteBufAllocator
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.channel.DefaultMaxBytesRecvByteBufAllocator
  super_class: java.lang.Object
{
  private volatile int maxBytesPerRead;
    descriptor: I
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private volatile int maxBytesPerIndividualRead;
    descriptor: I
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
         0: .line 105
            aload 0 /* this */
            ldc 65536
            ldc 65536
            invokespecial io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.<init>:(II)V
         1: .line 106
            return
        end local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;

  public void <init>(int, int);
    descriptor: (II)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
        start local 1 // int maxBytesPerRead
        start local 2 // int maxBytesPerIndividualRead
         0: .line 108
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 109
            iload 1 /* maxBytesPerRead */
            iload 2 /* maxBytesPerIndividualRead */
            invokestatic io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.checkMaxBytesPerReadPair:(II)V
         2: .line 110
            aload 0 /* this */
            iload 1 /* maxBytesPerRead */
            putfield io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerRead:I
         3: .line 111
            aload 0 /* this */
            iload 2 /* maxBytesPerIndividualRead */
            putfield io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerIndividualRead:I
         4: .line 112
            return
        end local 2 // int maxBytesPerIndividualRead
        end local 1 // int maxBytesPerRead
        end local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0    5     0                       this  Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;
            0    5     1            maxBytesPerRead  I
            0    5     2  maxBytesPerIndividualRead  I
    MethodParameters:
                           Name  Flags
      maxBytesPerRead            
      maxBytesPerIndividualRead  

  public io.netty.channel.RecvByteBufAllocator$Handle newHandle();
    descriptor: ()Lio/netty/channel/RecvByteBufAllocator$Handle;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
         0: .line 117
            new io.netty.channel.DefaultMaxBytesRecvByteBufAllocator$HandleImpl
            dup
            aload 0 /* this */
            invokespecial io.netty.channel.DefaultMaxBytesRecvByteBufAllocator$HandleImpl.<init>:(Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;)V
            areturn
        end local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;

  public int maxBytesPerRead();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
         0: .line 122
            aload 0 /* this */
            getfield io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerRead:I
            ireturn
        end local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;

  public io.netty.channel.DefaultMaxBytesRecvByteBufAllocator maxBytesPerRead(int);
    descriptor: (I)Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
        start local 1 // int maxBytesPerRead
         0: .line 127
            iload 1 /* maxBytesPerRead */
            ifgt 2
         1: .line 128
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "maxBytesPerRead: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* maxBytesPerRead */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " (expected: > 0)"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 132
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            astore 2
            monitorenter
         3: .line 133
            aload 0 /* this */
            invokevirtual io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerIndividualRead:()I
            istore 3 /* maxBytesPerIndividualRead */
        start local 3 // int maxBytesPerIndividualRead
         4: .line 134
            iload 1 /* maxBytesPerRead */
            iload 3 /* maxBytesPerIndividualRead */
            if_icmpge 10
         5: .line 135
            new java.lang.IllegalArgumentException
            dup
         6: .line 136
            new java.lang.StringBuilder
            dup
            ldc "maxBytesPerRead cannot be less than maxBytesPerIndividualRead ("
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         7: .line 137
            iload 3 /* maxBytesPerIndividualRead */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc "): "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            iload 1 /* maxBytesPerRead */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
         8: .line 136
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         9: .line 135
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        10: .line 140
      StackMap locals: io.netty.channel.DefaultMaxBytesRecvByteBufAllocator int
      StackMap stack:
            aload 0 /* this */
            iload 1 /* maxBytesPerRead */
            putfield io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerRead:I
        end local 3 // int maxBytesPerIndividualRead
        11: .line 132
            aload 2
            monitorexit
        12: goto 15
      StackMap locals: io.netty.channel.DefaultMaxBytesRecvByteBufAllocator int io.netty.channel.DefaultMaxBytesRecvByteBufAllocator
      StackMap stack: java.lang.Throwable
        13: aload 2
            monitorexit
        14: athrow
        15: .line 142
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            areturn
        end local 1 // int maxBytesPerRead
        end local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0   16     0                       this  Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;
            0   16     1            maxBytesPerRead  I
            4   11     3  maxBytesPerIndividualRead  I
      Exception table:
        from    to  target  type
           3    12      13  any
          13    14      13  any
    MethodParameters:
                 Name  Flags
      maxBytesPerRead  

  public int maxBytesPerIndividualRead();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
         0: .line 147
            aload 0 /* this */
            getfield io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerIndividualRead:I
            ireturn
        end local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;

  public io.netty.channel.DefaultMaxBytesRecvByteBufAllocator maxBytesPerIndividualRead(int);
    descriptor: (I)Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
        start local 1 // int maxBytesPerIndividualRead
         0: .line 152
            iload 1 /* maxBytesPerIndividualRead */
            ifgt 4
         1: .line 153
            new java.lang.IllegalArgumentException
            dup
         2: .line 154
            new java.lang.StringBuilder
            dup
            ldc "maxBytesPerIndividualRead: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* maxBytesPerIndividualRead */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " (expected: > 0)"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         3: .line 153
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 158
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            astore 2
            monitorenter
         5: .line 159
            aload 0 /* this */
            invokevirtual io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerRead:()I
            istore 3 /* maxBytesPerRead */
        start local 3 // int maxBytesPerRead
         6: .line 160
            iload 1 /* maxBytesPerIndividualRead */
            iload 3 /* maxBytesPerRead */
            if_icmple 12
         7: .line 161
            new java.lang.IllegalArgumentException
            dup
         8: .line 162
            new java.lang.StringBuilder
            dup
            ldc "maxBytesPerIndividualRead cannot be greater than maxBytesPerRead ("
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         9: .line 163
            iload 3 /* maxBytesPerRead */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc "): "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            iload 1 /* maxBytesPerIndividualRead */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
        10: .line 162
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        11: .line 161
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        12: .line 166
      StackMap locals: io.netty.channel.DefaultMaxBytesRecvByteBufAllocator int
      StackMap stack:
            aload 0 /* this */
            iload 1 /* maxBytesPerIndividualRead */
            putfield io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerIndividualRead:I
        end local 3 // int maxBytesPerRead
        13: .line 158
            aload 2
            monitorexit
        14: goto 17
      StackMap locals: io.netty.channel.DefaultMaxBytesRecvByteBufAllocator int io.netty.channel.DefaultMaxBytesRecvByteBufAllocator
      StackMap stack: java.lang.Throwable
        15: aload 2
            monitorexit
        16: athrow
        17: .line 168
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            areturn
        end local 1 // int maxBytesPerIndividualRead
        end local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0   18     0                       this  Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;
            0   18     1  maxBytesPerIndividualRead  I
            6   13     3            maxBytesPerRead  I
      Exception table:
        from    to  target  type
           5    14      15  any
          15    16      15  any
    MethodParameters:
                           Name  Flags
      maxBytesPerIndividualRead  

  public synchronized java.util.Map$Entry<java.lang.Integer, java.lang.Integer> maxBytesPerReadPair();
    descriptor: ()Ljava/util/Map$Entry;
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
         0: .line 173
            new java.util.AbstractMap$SimpleEntry
            dup
            aload 0 /* this */
            getfield io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerRead:I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aload 0 /* this */
            getfield io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerIndividualRead:I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokespecial java.util.AbstractMap$SimpleEntry.<init>:(Ljava/lang/Object;Ljava/lang/Object;)V
            areturn
        end local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;
    Signature: ()Ljava/util/Map$Entry<Ljava/lang/Integer;Ljava/lang/Integer;>;

  private static void checkMaxBytesPerReadPair(int, int);
    descriptor: (II)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // int maxBytesPerRead
        start local 1 // int maxBytesPerIndividualRead
         0: .line 177
            iload 0 /* maxBytesPerRead */
            ifgt 2
         1: .line 178
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "maxBytesPerRead: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 0 /* maxBytesPerRead */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " (expected: > 0)"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 180
      StackMap locals:
      StackMap stack:
            iload 1 /* maxBytesPerIndividualRead */
            ifgt 6
         3: .line 181
            new java.lang.IllegalArgumentException
            dup
         4: .line 182
            new java.lang.StringBuilder
            dup
            ldc "maxBytesPerIndividualRead: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* maxBytesPerIndividualRead */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " (expected: > 0)"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         5: .line 181
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 184
      StackMap locals:
      StackMap stack:
            iload 0 /* maxBytesPerRead */
            iload 1 /* maxBytesPerIndividualRead */
            if_icmpge 12
         7: .line 185
            new java.lang.IllegalArgumentException
            dup
         8: .line 186
            new java.lang.StringBuilder
            dup
            ldc "maxBytesPerRead cannot be less than maxBytesPerIndividualRead ("
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         9: .line 187
            iload 1 /* maxBytesPerIndividualRead */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc "): "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            iload 0 /* maxBytesPerRead */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
        10: .line 186
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        11: .line 185
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        12: .line 189
      StackMap locals:
      StackMap stack:
            return
        end local 1 // int maxBytesPerIndividualRead
        end local 0 // int maxBytesPerRead
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0   13     0            maxBytesPerRead  I
            0   13     1  maxBytesPerIndividualRead  I
    MethodParameters:
                           Name  Flags
      maxBytesPerRead            
      maxBytesPerIndividualRead  

  public io.netty.channel.DefaultMaxBytesRecvByteBufAllocator maxBytesPerReadPair(int, int);
    descriptor: (II)Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=3
        start local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
        start local 1 // int maxBytesPerRead
        start local 2 // int maxBytesPerIndividualRead
         0: .line 194
            iload 1 /* maxBytesPerRead */
            iload 2 /* maxBytesPerIndividualRead */
            invokestatic io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.checkMaxBytesPerReadPair:(II)V
         1: .line 197
            aload 0 /* this */
            dup
            astore 3
            monitorenter
         2: .line 198
            aload 0 /* this */
            iload 1 /* maxBytesPerRead */
            putfield io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerRead:I
         3: .line 199
            aload 0 /* this */
            iload 2 /* maxBytesPerIndividualRead */
            putfield io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerIndividualRead:I
         4: .line 197
            aload 3
            monitorexit
         5: goto 8
      StackMap locals: io.netty.channel.DefaultMaxBytesRecvByteBufAllocator int int io.netty.channel.DefaultMaxBytesRecvByteBufAllocator
      StackMap stack: java.lang.Throwable
         6: aload 3
            monitorexit
         7: athrow
         8: .line 201
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            areturn
        end local 2 // int maxBytesPerIndividualRead
        end local 1 // int maxBytesPerRead
        end local 0 // io.netty.channel.DefaultMaxBytesRecvByteBufAllocator this
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0    9     0                       this  Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;
            0    9     1            maxBytesPerRead  I
            0    9     2  maxBytesPerIndividualRead  I
      Exception table:
        from    to  target  type
           2     5       6  any
           6     7       6  any
    MethodParameters:
                           Name  Flags
      maxBytesPerRead            
      maxBytesPerIndividualRead  

  public io.netty.channel.MaxBytesRecvByteBufAllocator maxBytesPerIndividualRead(int);
    descriptor: (I)Lio/netty/channel/MaxBytesRecvByteBufAllocator;
    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.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerIndividualRead:(I)Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public io.netty.channel.MaxBytesRecvByteBufAllocator maxBytesPerReadPair(int, int);
    descriptor: (II)Lio/netty/channel/MaxBytesRecvByteBufAllocator;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
         0: .line 1
            aload 0
            iload 1
            iload 2
            invokevirtual io.netty.channel.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerReadPair:(II)Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public io.netty.channel.MaxBytesRecvByteBufAllocator maxBytesPerRead(int);
    descriptor: (I)Lio/netty/channel/MaxBytesRecvByteBufAllocator;
    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.DefaultMaxBytesRecvByteBufAllocator.maxBytesPerRead:(I)Lio/netty/channel/DefaultMaxBytesRecvByteBufAllocator;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "DefaultMaxBytesRecvByteBufAllocator.java"
NestMembers:
  io.netty.channel.DefaultMaxBytesRecvByteBufAllocator$HandleImpl  io.netty.channel.DefaultMaxBytesRecvByteBufAllocator$HandleImpl$1
InnerClasses:
  private final HandleImpl = io.netty.channel.DefaultMaxBytesRecvByteBufAllocator$HandleImpl of io.netty.channel.DefaultMaxBytesRecvByteBufAllocator
  public abstract Handle = io.netty.channel.RecvByteBufAllocator$Handle of io.netty.channel.RecvByteBufAllocator
  public SimpleEntry = java.util.AbstractMap$SimpleEntry of java.util.AbstractMap
  public abstract Entry = java.util.Map$Entry of java.util.Map