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.handler.codec.compression.SnappyFrameDecoder extends io.netty.handler.codec.ByteToMessageDecoder
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.handler.codec.compression.SnappyFrameDecoder
  super_class: io.netty.handler.codec.ByteToMessageDecoder
{
  private static final int SNAPPY_IDENTIFIER_LEN;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 6

  private static final int MAX_UNCOMPRESSED_DATA_SIZE;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 65540

  private final io.netty.handler.codec.compression.Snappy snappy;
    descriptor: Lio/netty/handler/codec/compression/Snappy;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final boolean validateChecksums;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private boolean started;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  private boolean corrupted;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  private static volatile int[] $SWITCH_TABLE$io$netty$handler$codec$compression$SnappyFrameDecoder$ChunkType;
    descriptor: [I
    flags: (0x104a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE, ACC_SYNTHETIC

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.compression.SnappyFrameDecoder this
         0: .line 62
            aload 0 /* this */
            iconst_0
            invokespecial io.netty.handler.codec.compression.SnappyFrameDecoder.<init>:(Z)V
         1: .line 63
            return
        end local 0 // io.netty.handler.codec.compression.SnappyFrameDecoder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/handler/codec/compression/SnappyFrameDecoder;

  public void <init>(boolean);
    descriptor: (Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.compression.SnappyFrameDecoder this
        start local 1 // boolean validateChecksums
         0: .line 74
            aload 0 /* this */
            invokespecial io.netty.handler.codec.ByteToMessageDecoder.<init>:()V
         1: .line 50
            aload 0 /* this */
            new io.netty.handler.codec.compression.Snappy
            dup
            invokespecial io.netty.handler.codec.compression.Snappy.<init>:()V
            putfield io.netty.handler.codec.compression.SnappyFrameDecoder.snappy:Lio/netty/handler/codec/compression/Snappy;
         2: .line 75
            aload 0 /* this */
            iload 1 /* validateChecksums */
            putfield io.netty.handler.codec.compression.SnappyFrameDecoder.validateChecksums:Z
         3: .line 76
            return
        end local 1 // boolean validateChecksums
        end local 0 // io.netty.handler.codec.compression.SnappyFrameDecoder this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    4     0               this  Lio/netty/handler/codec/compression/SnappyFrameDecoder;
            0    4     1  validateChecksums  Z
    MethodParameters:
                   Name  Flags
      validateChecksums  

  protected void decode(io.netty.channel.ChannelHandlerContext, io.netty.buffer.ByteBuf, java.util.List<java.lang.Object>);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Lio/netty/buffer/ByteBuf;Ljava/util/List;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=15, args_size=4
        start local 0 // io.netty.handler.codec.compression.SnappyFrameDecoder this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // io.netty.buffer.ByteBuf in
        start local 3 // java.util.List out
         0: .line 80
            aload 0 /* this */
            getfield io.netty.handler.codec.compression.SnappyFrameDecoder.corrupted:Z
            ifeq 3
         1: .line 81
            aload 2 /* in */
            aload 2 /* in */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
         2: .line 82
            return
         3: .line 86
      StackMap locals:
      StackMap stack:
            aload 2 /* in */
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            istore 4 /* idx */
        start local 4 // int idx
         4: .line 87
            aload 2 /* in */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            istore 5 /* inSize */
        start local 5 // int inSize
         5: .line 88
            iload 5 /* inSize */
            iconst_4
            if_icmpge 7
         6: .line 91
            return
         7: .line 94
      StackMap locals: int int
      StackMap stack:
            aload 2 /* in */
            iload 4 /* idx */
            invokevirtual io.netty.buffer.ByteBuf.getUnsignedByte:(I)S
            istore 6 /* chunkTypeVal */
        start local 6 // int chunkTypeVal
         8: .line 95
            iload 6 /* chunkTypeVal */
            i2b
            invokestatic io.netty.handler.codec.compression.SnappyFrameDecoder.mapChunkType:(B)Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            astore 7 /* chunkType */
        start local 7 // io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType chunkType
         9: .line 96
            aload 2 /* in */
            iload 4 /* idx */
            iconst_1
            iadd
            invokevirtual io.netty.buffer.ByteBuf.getUnsignedMediumLE:(I)I
            istore 8 /* chunkLength */
        start local 8 // int chunkLength
        10: .line 98
            invokestatic io.netty.handler.codec.compression.SnappyFrameDecoder.$SWITCH_TABLE$io$netty$handler$codec$compression$SnappyFrameDecoder$ChunkType:()[I
            aload 7 /* chunkType */
            invokevirtual io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.ordinal:()I
            iaload
            tableswitch { // 1 - 5
                    1: 11
                    2: 49
                    3: 35
                    4: 32
                    5: 26
              default: 78
          }
        11: .line 100
      StackMap locals: int io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType int
      StackMap stack:
            iload 8 /* chunkLength */
            bipush 6
            if_icmpeq 13
        12: .line 101
            new io.netty.handler.codec.compression.DecompressionException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unexpected length of stream identifier: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 8 /* chunkLength */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial io.netty.handler.codec.compression.DecompressionException.<init>:(Ljava/lang/String;)V
            athrow
        13: .line 104
      StackMap locals:
      StackMap stack:
            iload 5 /* inSize */
            bipush 10
            if_icmpge 15
        14: .line 105
            goto 82
        15: .line 108
      StackMap locals:
      StackMap stack:
            aload 2 /* in */
            iconst_4
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
        16: .line 109
            aload 2 /* in */
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            istore 9 /* offset */
        start local 9 // int offset
        17: .line 110
            aload 2 /* in */
            bipush 6
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
        18: .line 112
            aload 2 /* in */
            iload 9 /* offset */
            iinc 9 /* offset */ 1
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            bipush 115
            invokestatic io.netty.handler.codec.compression.SnappyFrameDecoder.checkByte:(BB)V
        19: .line 113
            aload 2 /* in */
            iload 9 /* offset */
            iinc 9 /* offset */ 1
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            bipush 78
            invokestatic io.netty.handler.codec.compression.SnappyFrameDecoder.checkByte:(BB)V
        20: .line 114
            aload 2 /* in */
            iload 9 /* offset */
            iinc 9 /* offset */ 1
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            bipush 97
            invokestatic io.netty.handler.codec.compression.SnappyFrameDecoder.checkByte:(BB)V
        21: .line 115
            aload 2 /* in */
            iload 9 /* offset */
            iinc 9 /* offset */ 1
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            bipush 80
            invokestatic io.netty.handler.codec.compression.SnappyFrameDecoder.checkByte:(BB)V
        22: .line 116
            aload 2 /* in */
            iload 9 /* offset */
            iinc 9 /* offset */ 1
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            bipush 112
            invokestatic io.netty.handler.codec.compression.SnappyFrameDecoder.checkByte:(BB)V
        23: .line 117
            aload 2 /* in */
            iload 9 /* offset */
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            bipush 89
            invokestatic io.netty.handler.codec.compression.SnappyFrameDecoder.checkByte:(BB)V
        24: .line 119
            aload 0 /* this */
            iconst_1
            putfield io.netty.handler.codec.compression.SnappyFrameDecoder.started:Z
        25: .line 120
            goto 82
        end local 9 // int offset
        26: .line 122
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.handler.codec.compression.SnappyFrameDecoder.started:Z
            ifne 28
        27: .line 123
            new io.netty.handler.codec.compression.DecompressionException
            dup
            ldc "Received RESERVED_SKIPPABLE tag before STREAM_IDENTIFIER"
            invokespecial io.netty.handler.codec.compression.DecompressionException.<init>:(Ljava/lang/String;)V
            athrow
        28: .line 126
      StackMap locals:
      StackMap stack:
            iload 5 /* inSize */
            iconst_4
            iload 8 /* chunkLength */
            iadd
            if_icmpge 30
        29: .line 128
            return
        30: .line 131
      StackMap locals:
      StackMap stack:
            aload 2 /* in */
            iconst_4
            iload 8 /* chunkLength */
            iadd
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
        31: .line 132
            goto 82
        32: .line 137
      StackMap locals:
      StackMap stack:
            new io.netty.handler.codec.compression.DecompressionException
            dup
        33: .line 138
            new java.lang.StringBuilder
            dup
            ldc "Found reserved unskippable chunk type: 0x"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 6 /* chunkTypeVal */
            invokestatic java.lang.Integer.toHexString:(I)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        34: .line 137
            invokespecial io.netty.handler.codec.compression.DecompressionException.<init>:(Ljava/lang/String;)V
            athrow
        35: .line 140
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.handler.codec.compression.SnappyFrameDecoder.started:Z
            ifne 37
        36: .line 141
            new io.netty.handler.codec.compression.DecompressionException
            dup
            ldc "Received UNCOMPRESSED_DATA tag before STREAM_IDENTIFIER"
            invokespecial io.netty.handler.codec.compression.DecompressionException.<init>:(Ljava/lang/String;)V
            athrow
        37: .line 143
      StackMap locals:
      StackMap stack:
            iload 8 /* chunkLength */
            ldc 65540
            if_icmple 39
        38: .line 144
            new io.netty.handler.codec.compression.DecompressionException
            dup
            ldc "Received UNCOMPRESSED_DATA larger than 65540 bytes"
            invokespecial io.netty.handler.codec.compression.DecompressionException.<init>:(Ljava/lang/String;)V
            athrow
        39: .line 147
      StackMap locals:
      StackMap stack:
            iload 5 /* inSize */
            iconst_4
            iload 8 /* chunkLength */
            iadd
            if_icmpge 41
        40: .line 148
            return
        41: .line 151
      StackMap locals:
      StackMap stack:
            aload 2 /* in */
            iconst_4
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
        42: .line 152
            aload 0 /* this */
            getfield io.netty.handler.codec.compression.SnappyFrameDecoder.validateChecksums:Z
            ifeq 46
        43: .line 153
            aload 2 /* in */
            invokevirtual io.netty.buffer.ByteBuf.readIntLE:()I
            istore 10 /* checksum */
        start local 10 // int checksum
        44: .line 154
            iload 10 /* checksum */
            aload 2 /* in */
            aload 2 /* in */
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            iload 8 /* chunkLength */
            iconst_4
            isub
            invokestatic io.netty.handler.codec.compression.Snappy.validateChecksum:(ILio/netty/buffer/ByteBuf;II)V
        end local 10 // int checksum
        45: .line 155
            goto 47
        46: .line 156
      StackMap locals:
      StackMap stack:
            aload 2 /* in */
            iconst_4
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
        47: .line 158
      StackMap locals:
      StackMap stack:
            aload 3 /* out */
            aload 2 /* in */
            iload 8 /* chunkLength */
            iconst_4
            isub
            invokevirtual io.netty.buffer.ByteBuf.readRetainedSlice:(I)Lio/netty/buffer/ByteBuf;
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        48: .line 159
            goto 82
        49: .line 161
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.handler.codec.compression.SnappyFrameDecoder.started:Z
            ifne 51
        50: .line 162
            new io.netty.handler.codec.compression.DecompressionException
            dup
            ldc "Received COMPRESSED_DATA tag before STREAM_IDENTIFIER"
            invokespecial io.netty.handler.codec.compression.DecompressionException.<init>:(Ljava/lang/String;)V
            athrow
        51: .line 165
      StackMap locals:
      StackMap stack:
            iload 5 /* inSize */
            iconst_4
            iload 8 /* chunkLength */
            iadd
            if_icmpge 53
        52: .line 166
            return
        53: .line 169
      StackMap locals:
      StackMap stack:
            aload 2 /* in */
            iconst_4
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
        54: .line 170
            aload 2 /* in */
            invokevirtual io.netty.buffer.ByteBuf.readIntLE:()I
            istore 10 /* checksum */
        start local 10 // int checksum
        55: .line 171
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.alloc:()Lio/netty/buffer/ByteBufAllocator;
            invokeinterface io.netty.buffer.ByteBufAllocator.buffer:()Lio/netty/buffer/ByteBuf;
            astore 11 /* uncompressed */
        start local 11 // io.netty.buffer.ByteBuf uncompressed
        56: .line 173
            aload 0 /* this */
            getfield io.netty.handler.codec.compression.SnappyFrameDecoder.validateChecksums:Z
            ifeq 67
        57: .line 174
            aload 2 /* in */
            invokevirtual io.netty.buffer.ByteBuf.writerIndex:()I
            istore 12 /* oldWriterIndex */
        start local 12 // int oldWriterIndex
        58: .line 176
            aload 2 /* in */
            aload 2 /* in */
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            iload 8 /* chunkLength */
            iadd
            iconst_4
            isub
            invokevirtual io.netty.buffer.ByteBuf.writerIndex:(I)Lio/netty/buffer/ByteBuf;
            pop
        59: .line 177
            aload 0 /* this */
            getfield io.netty.handler.codec.compression.SnappyFrameDecoder.snappy:Lio/netty/handler/codec/compression/Snappy;
            aload 2 /* in */
            aload 11 /* uncompressed */
            invokevirtual io.netty.handler.codec.compression.Snappy.decode:(Lio/netty/buffer/ByteBuf;Lio/netty/buffer/ByteBuf;)V
        60: .line 178
            goto 64
      StackMap locals: io.netty.handler.codec.compression.SnappyFrameDecoder io.netty.channel.ChannelHandlerContext io.netty.buffer.ByteBuf java.util.List int int int io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType int top int io.netty.buffer.ByteBuf int
      StackMap stack: java.lang.Throwable
        61: astore 13
        62: .line 179
            aload 2 /* in */
            iload 12 /* oldWriterIndex */
            invokevirtual io.netty.buffer.ByteBuf.writerIndex:(I)Lio/netty/buffer/ByteBuf;
            pop
        63: .line 180
            aload 13
            athrow
        64: .line 179
      StackMap locals:
      StackMap stack:
            aload 2 /* in */
            iload 12 /* oldWriterIndex */
            invokevirtual io.netty.buffer.ByteBuf.writerIndex:(I)Lio/netty/buffer/ByteBuf;
            pop
        65: .line 181
            iload 10 /* checksum */
            aload 11 /* uncompressed */
            iconst_0
            aload 11 /* uncompressed */
            invokevirtual io.netty.buffer.ByteBuf.writerIndex:()I
            invokestatic io.netty.handler.codec.compression.Snappy.validateChecksum:(ILio/netty/buffer/ByteBuf;II)V
        end local 12 // int oldWriterIndex
        66: .line 182
            goto 68
        67: .line 183
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.handler.codec.compression.SnappyFrameDecoder.snappy:Lio/netty/handler/codec/compression/Snappy;
            aload 2 /* in */
            iload 8 /* chunkLength */
            iconst_4
            isub
            invokevirtual io.netty.buffer.ByteBuf.readSlice:(I)Lio/netty/buffer/ByteBuf;
            aload 11 /* uncompressed */
            invokevirtual io.netty.handler.codec.compression.Snappy.decode:(Lio/netty/buffer/ByteBuf;Lio/netty/buffer/ByteBuf;)V
        68: .line 185
      StackMap locals:
      StackMap stack:
            aload 3 /* out */
            aload 11 /* uncompressed */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        69: .line 186
            aconst_null
            astore 11 /* uncompressed */
        70: .line 187
            goto 75
      StackMap locals:
      StackMap stack: java.lang.Throwable
        71: astore 14
        72: .line 188
            aload 11 /* uncompressed */
            ifnull 74
        73: .line 189
            aload 11 /* uncompressed */
            invokevirtual io.netty.buffer.ByteBuf.release:()Z
            pop
        74: .line 191
      StackMap locals: io.netty.handler.codec.compression.SnappyFrameDecoder io.netty.channel.ChannelHandlerContext io.netty.buffer.ByteBuf java.util.List int int int io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType int top int io.netty.buffer.ByteBuf top top java.lang.Throwable
      StackMap stack:
            aload 14
            athrow
        75: .line 188
      StackMap locals: io.netty.handler.codec.compression.SnappyFrameDecoder io.netty.channel.ChannelHandlerContext io.netty.buffer.ByteBuf java.util.List int int int io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType int top int io.netty.buffer.ByteBuf
      StackMap stack:
            aload 11 /* uncompressed */
            ifnull 77
        76: .line 189
            aload 11 /* uncompressed */
            invokevirtual io.netty.buffer.ByteBuf.release:()Z
            pop
        77: .line 192
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.handler.codec.compression.SnappyFrameDecoder.snappy:Lio/netty/handler/codec/compression/Snappy;
            invokevirtual io.netty.handler.codec.compression.Snappy.reset:()V
        end local 11 // io.netty.buffer.ByteBuf uncompressed
        end local 10 // int checksum
        end local 8 // int chunkLength
        end local 7 // io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType chunkType
        end local 6 // int chunkTypeVal
        end local 5 // int inSize
        end local 4 // int idx
        78: .line 195
      StackMap locals: io.netty.handler.codec.compression.SnappyFrameDecoder io.netty.channel.ChannelHandlerContext io.netty.buffer.ByteBuf java.util.List
      StackMap stack:
            goto 82
      StackMap locals:
      StackMap stack: java.lang.Exception
        79: astore 4 /* e */
        start local 4 // java.lang.Exception e
        80: .line 196
            aload 0 /* this */
            iconst_1
            putfield io.netty.handler.codec.compression.SnappyFrameDecoder.corrupted:Z
        81: .line 197
            aload 4 /* e */
            athrow
        end local 4 // java.lang.Exception e
        82: .line 199
      StackMap locals:
      StackMap stack:
            return
        end local 3 // java.util.List out
        end local 2 // io.netty.buffer.ByteBuf in
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.codec.compression.SnappyFrameDecoder this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   83     0            this  Lio/netty/handler/codec/compression/SnappyFrameDecoder;
            0   83     1             ctx  Lio/netty/channel/ChannelHandlerContext;
            0   83     2              in  Lio/netty/buffer/ByteBuf;
            0   83     3             out  Ljava/util/List<Ljava/lang/Object;>;
            4   78     4             idx  I
            5   78     5          inSize  I
            8   78     6    chunkTypeVal  I
            9   78     7       chunkType  Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
           10   78     8     chunkLength  I
           17   26     9          offset  I
           44   45    10        checksum  I
           55   78    10        checksum  I
           56   78    11    uncompressed  Lio/netty/buffer/ByteBuf;
           58   66    12  oldWriterIndex  I
           80   82     4               e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
          58    61      61  any
          56    71      71  any
           3     6      79  Class java.lang.Exception
           7    29      79  Class java.lang.Exception
          30    40      79  Class java.lang.Exception
          41    52      79  Class java.lang.Exception
          53    78      79  Class java.lang.Exception
    Exceptions:
      throws java.lang.Exception
    Signature: (Lio/netty/channel/ChannelHandlerContext;Lio/netty/buffer/ByteBuf;Ljava/util/List<Ljava/lang/Object;>;)V
    MethodParameters:
      Name  Flags
      ctx   
      in    
      out   

  private static void checkByte(byte, byte);
    descriptor: (BB)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // byte actual
        start local 1 // byte expect
         0: .line 202
            iload 0 /* actual */
            iload 1 /* expect */
            if_icmpeq 2
         1: .line 203
            new io.netty.handler.codec.compression.DecompressionException
            dup
            ldc "Unexpected stream identifier contents. Mismatched snappy protocol version?"
            invokespecial io.netty.handler.codec.compression.DecompressionException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 206
      StackMap locals:
      StackMap stack:
            return
        end local 1 // byte expect
        end local 0 // byte actual
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0  actual  B
            0    3     1  expect  B
    MethodParameters:
        Name  Flags
      actual  
      expect  

  private static io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType mapChunkType(byte);
    descriptor: (B)Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // byte type
         0: .line 215
            iload 0 /* type */
            ifne 2
         1: .line 216
            getstatic io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.COMPRESSED_DATA:Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            areturn
         2: .line 217
      StackMap locals:
      StackMap stack:
            iload 0 /* type */
            iconst_1
            if_icmpne 4
         3: .line 218
            getstatic io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.UNCOMPRESSED_DATA:Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            areturn
         4: .line 219
      StackMap locals:
      StackMap stack:
            iload 0 /* type */
            iconst_m1
            if_icmpne 6
         5: .line 220
            getstatic io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.STREAM_IDENTIFIER:Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            areturn
         6: .line 221
      StackMap locals:
      StackMap stack:
            iload 0 /* type */
            sipush 128
            iand
            sipush 128
            if_icmpne 8
         7: .line 222
            getstatic io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.RESERVED_SKIPPABLE:Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            areturn
         8: .line 224
      StackMap locals:
      StackMap stack:
            getstatic io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.RESERVED_UNSKIPPABLE:Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            areturn
        end local 0 // byte type
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  type  B
    MethodParameters:
      Name  Flags
      type  

  static int[] $SWITCH_TABLE$io$netty$handler$codec$compression$SnappyFrameDecoder$ChunkType();
    descriptor: ()[I
    flags: (0x1008) ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=3, locals=1, args_size=0
         0: .line 37
            getstatic io.netty.handler.codec.compression.SnappyFrameDecoder.$SWITCH_TABLE$io$netty$handler$codec$compression$SnappyFrameDecoder$ChunkType:[I
            dup
            ifnull 1
            areturn
      StackMap locals:
      StackMap stack: int[]
         1: pop
            invokestatic io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.values:()[Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            arraylength
            newarray 10
            astore 0
         2: aload 0
            getstatic io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.COMPRESSED_DATA:Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            invokevirtual io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.ordinal:()I
            iconst_2
            iastore
         3: goto 5
      StackMap locals: int[]
      StackMap stack: java.lang.NoSuchFieldError
         4: pop
      StackMap locals:
      StackMap stack:
         5: aload 0
            getstatic io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.RESERVED_SKIPPABLE:Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            invokevirtual io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.ordinal:()I
            iconst_5
            iastore
         6: goto 8
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
         7: pop
      StackMap locals:
      StackMap stack:
         8: aload 0
            getstatic io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.RESERVED_UNSKIPPABLE:Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            invokevirtual io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.ordinal:()I
            iconst_4
            iastore
         9: goto 11
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        10: pop
      StackMap locals:
      StackMap stack:
        11: aload 0
            getstatic io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.STREAM_IDENTIFIER:Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            invokevirtual io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.ordinal:()I
            iconst_1
            iastore
        12: goto 14
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        13: pop
      StackMap locals:
      StackMap stack:
        14: aload 0
            getstatic io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.UNCOMPRESSED_DATA:Lio/netty/handler/codec/compression/SnappyFrameDecoder$ChunkType;
            invokevirtual io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType.ordinal:()I
            iconst_3
            iastore
        15: goto 17
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        16: pop
      StackMap locals:
      StackMap stack:
        17: aload 0
            dup
            putstatic io.netty.handler.codec.compression.SnappyFrameDecoder.$SWITCH_TABLE$io$netty$handler$codec$compression$SnappyFrameDecoder$ChunkType:[I
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.NoSuchFieldError
           5     6       7  Class java.lang.NoSuchFieldError
           8     9      10  Class java.lang.NoSuchFieldError
          11    12      13  Class java.lang.NoSuchFieldError
          14    15      16  Class java.lang.NoSuchFieldError
}
SourceFile: "SnappyFrameDecoder.java"
NestMembers:
  io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType
InnerClasses:
  private final ChunkType = io.netty.handler.codec.compression.SnappyFrameDecoder$ChunkType of io.netty.handler.codec.compression.SnappyFrameDecoder