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 final class io.netty.handler.codec.base64.Base64
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.netty.handler.codec.base64.Base64
  super_class: java.lang.Object
{
  private static final int MAX_LINE_LENGTH;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 76

  private static final byte EQUALS_SIGN;
    descriptor: B
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 61

  private static final byte NEW_LINE;
    descriptor: B
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 10

  private static final byte WHITE_SPACE_ENC;
    descriptor: B
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: -5

  private static final byte EQUALS_SIGN_ENC;
    descriptor: B
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: -1

  private static byte[] alphabet(io.netty.handler.codec.base64.Base64Dialect);
    descriptor: (Lio/netty/handler/codec/base64/Base64Dialect;)[B
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.base64.Base64Dialect dialect
         0: .line 53
            aload 0 /* dialect */
            ifnonnull 2
         1: .line 54
            new java.lang.NullPointerException
            dup
            ldc "dialect"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 56
      StackMap locals:
      StackMap stack:
            aload 0 /* dialect */
            getfield io.netty.handler.codec.base64.Base64Dialect.alphabet:[B
            areturn
        end local 0 // io.netty.handler.codec.base64.Base64Dialect dialect
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0  dialect  Lio/netty/handler/codec/base64/Base64Dialect;
    MethodParameters:
         Name  Flags
      dialect  

  private static byte[] decodabet(io.netty.handler.codec.base64.Base64Dialect);
    descriptor: (Lio/netty/handler/codec/base64/Base64Dialect;)[B
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.base64.Base64Dialect dialect
         0: .line 60
            aload 0 /* dialect */
            ifnonnull 2
         1: .line 61
            new java.lang.NullPointerException
            dup
            ldc "dialect"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 63
      StackMap locals:
      StackMap stack:
            aload 0 /* dialect */
            getfield io.netty.handler.codec.base64.Base64Dialect.decodabet:[B
            areturn
        end local 0 // io.netty.handler.codec.base64.Base64Dialect dialect
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0  dialect  Lio/netty/handler/codec/base64/Base64Dialect;
    MethodParameters:
         Name  Flags
      dialect  

  private static boolean breakLines(io.netty.handler.codec.base64.Base64Dialect);
    descriptor: (Lio/netty/handler/codec/base64/Base64Dialect;)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.base64.Base64Dialect dialect
         0: .line 67
            aload 0 /* dialect */
            ifnonnull 2
         1: .line 68
            new java.lang.NullPointerException
            dup
            ldc "dialect"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 70
      StackMap locals:
      StackMap stack:
            aload 0 /* dialect */
            getfield io.netty.handler.codec.base64.Base64Dialect.breakLinesByDefault:Z
            ireturn
        end local 0 // io.netty.handler.codec.base64.Base64Dialect dialect
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0  dialect  Lio/netty/handler/codec/base64/Base64Dialect;
    MethodParameters:
         Name  Flags
      dialect  

  public static io.netty.buffer.ByteBuf encode(io.netty.buffer.ByteBuf);
    descriptor: (Lio/netty/buffer/ByteBuf;)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.buffer.ByteBuf src
         0: .line 74
            aload 0 /* src */
            getstatic io.netty.handler.codec.base64.Base64Dialect.STANDARD:Lio/netty/handler/codec/base64/Base64Dialect;
            invokestatic io.netty.handler.codec.base64.Base64.encode:(Lio/netty/buffer/ByteBuf;Lio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            areturn
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0   src  Lio/netty/buffer/ByteBuf;
    MethodParameters:
      Name  Flags
      src   

  public static io.netty.buffer.ByteBuf encode(io.netty.buffer.ByteBuf, io.netty.handler.codec.base64.Base64Dialect);
    descriptor: (Lio/netty/buffer/ByteBuf;Lio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // io.netty.handler.codec.base64.Base64Dialect dialect
         0: .line 78
            aload 0 /* src */
            aload 1 /* dialect */
            invokestatic io.netty.handler.codec.base64.Base64.breakLines:(Lio/netty/handler/codec/base64/Base64Dialect;)Z
            aload 1 /* dialect */
            invokestatic io.netty.handler.codec.base64.Base64.encode:(Lio/netty/buffer/ByteBuf;ZLio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            areturn
        end local 1 // io.netty.handler.codec.base64.Base64Dialect dialect
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0      src  Lio/netty/buffer/ByteBuf;
            0    1     1  dialect  Lio/netty/handler/codec/base64/Base64Dialect;
    MethodParameters:
         Name  Flags
      src      
      dialect  

  public static io.netty.buffer.ByteBuf encode(io.netty.buffer.ByteBuf, boolean);
    descriptor: (Lio/netty/buffer/ByteBuf;Z)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // boolean breakLines
         0: .line 82
            aload 0 /* src */
            iload 1 /* breakLines */
            getstatic io.netty.handler.codec.base64.Base64Dialect.STANDARD:Lio/netty/handler/codec/base64/Base64Dialect;
            invokestatic io.netty.handler.codec.base64.Base64.encode:(Lio/netty/buffer/ByteBuf;ZLio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            areturn
        end local 1 // boolean breakLines
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0         src  Lio/netty/buffer/ByteBuf;
            0    1     1  breakLines  Z
    MethodParameters:
            Name  Flags
      src         
      breakLines  

  public static io.netty.buffer.ByteBuf encode(io.netty.buffer.ByteBuf, boolean, io.netty.handler.codec.base64.Base64Dialect);
    descriptor: (Lio/netty/buffer/ByteBuf;ZLio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // boolean breakLines
        start local 2 // io.netty.handler.codec.base64.Base64Dialect dialect
         0: .line 87
            aload 0 /* src */
            ifnonnull 2
         1: .line 88
            new java.lang.NullPointerException
            dup
            ldc "src"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 91
      StackMap locals:
      StackMap stack:
            aload 0 /* src */
            aload 0 /* src */
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            aload 0 /* src */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            iload 1 /* breakLines */
            aload 2 /* dialect */
            invokestatic io.netty.handler.codec.base64.Base64.encode:(Lio/netty/buffer/ByteBuf;IIZLio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            astore 3 /* dest */
        start local 3 // io.netty.buffer.ByteBuf dest
         3: .line 92
            aload 0 /* src */
            aload 0 /* src */
            invokevirtual io.netty.buffer.ByteBuf.writerIndex:()I
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:(I)Lio/netty/buffer/ByteBuf;
            pop
         4: .line 93
            aload 3 /* dest */
            areturn
        end local 3 // io.netty.buffer.ByteBuf dest
        end local 2 // io.netty.handler.codec.base64.Base64Dialect dialect
        end local 1 // boolean breakLines
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    5     0         src  Lio/netty/buffer/ByteBuf;
            0    5     1  breakLines  Z
            0    5     2     dialect  Lio/netty/handler/codec/base64/Base64Dialect;
            3    5     3        dest  Lio/netty/buffer/ByteBuf;
    MethodParameters:
            Name  Flags
      src         
      breakLines  
      dialect     

  public static io.netty.buffer.ByteBuf encode(io.netty.buffer.ByteBuf, int, int);
    descriptor: (Lio/netty/buffer/ByteBuf;II)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // int off
        start local 2 // int len
         0: .line 97
            aload 0 /* src */
            iload 1 /* off */
            iload 2 /* len */
            getstatic io.netty.handler.codec.base64.Base64Dialect.STANDARD:Lio/netty/handler/codec/base64/Base64Dialect;
            invokestatic io.netty.handler.codec.base64.Base64.encode:(Lio/netty/buffer/ByteBuf;IILio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            areturn
        end local 2 // int len
        end local 1 // int off
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0   src  Lio/netty/buffer/ByteBuf;
            0    1     1   off  I
            0    1     2   len  I
    MethodParameters:
      Name  Flags
      src   
      off   
      len   

  public static io.netty.buffer.ByteBuf encode(io.netty.buffer.ByteBuf, int, int, io.netty.handler.codec.base64.Base64Dialect);
    descriptor: (Lio/netty/buffer/ByteBuf;IILio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // int off
        start local 2 // int len
        start local 3 // io.netty.handler.codec.base64.Base64Dialect dialect
         0: .line 101
            aload 0 /* src */
            iload 1 /* off */
            iload 2 /* len */
            aload 3 /* dialect */
            invokestatic io.netty.handler.codec.base64.Base64.breakLines:(Lio/netty/handler/codec/base64/Base64Dialect;)Z
            aload 3 /* dialect */
            invokestatic io.netty.handler.codec.base64.Base64.encode:(Lio/netty/buffer/ByteBuf;IIZLio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            areturn
        end local 3 // io.netty.handler.codec.base64.Base64Dialect dialect
        end local 2 // int len
        end local 1 // int off
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0      src  Lio/netty/buffer/ByteBuf;
            0    1     1      off  I
            0    1     2      len  I
            0    1     3  dialect  Lio/netty/handler/codec/base64/Base64Dialect;
    MethodParameters:
         Name  Flags
      src      
      off      
      len      
      dialect  

  public static io.netty.buffer.ByteBuf encode(io.netty.buffer.ByteBuf, int, int, boolean);
    descriptor: (Lio/netty/buffer/ByteBuf;IIZ)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // int off
        start local 2 // int len
        start local 3 // boolean breakLines
         0: .line 106
            aload 0 /* src */
            iload 1 /* off */
            iload 2 /* len */
            iload 3 /* breakLines */
            getstatic io.netty.handler.codec.base64.Base64Dialect.STANDARD:Lio/netty/handler/codec/base64/Base64Dialect;
            invokestatic io.netty.handler.codec.base64.Base64.encode:(Lio/netty/buffer/ByteBuf;IIZLio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            areturn
        end local 3 // boolean breakLines
        end local 2 // int len
        end local 1 // int off
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0         src  Lio/netty/buffer/ByteBuf;
            0    1     1         off  I
            0    1     2         len  I
            0    1     3  breakLines  Z
    MethodParameters:
            Name  Flags
      src         
      off         
      len         
      breakLines  

  public static io.netty.buffer.ByteBuf encode(io.netty.buffer.ByteBuf, int, int, boolean, io.netty.handler.codec.base64.Base64Dialect);
    descriptor: (Lio/netty/buffer/ByteBuf;IIZLio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=6, locals=5, args_size=5
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // int off
        start local 2 // int len
        start local 3 // boolean breakLines
        start local 4 // io.netty.handler.codec.base64.Base64Dialect dialect
         0: .line 111
            aload 0 /* src */
            iload 1 /* off */
            iload 2 /* len */
            iload 3 /* breakLines */
            aload 4 /* dialect */
            aload 0 /* src */
            invokevirtual io.netty.buffer.ByteBuf.alloc:()Lio/netty/buffer/ByteBufAllocator;
            invokestatic io.netty.handler.codec.base64.Base64.encode:(Lio/netty/buffer/ByteBuf;IIZLio/netty/handler/codec/base64/Base64Dialect;Lio/netty/buffer/ByteBufAllocator;)Lio/netty/buffer/ByteBuf;
            areturn
        end local 4 // io.netty.handler.codec.base64.Base64Dialect dialect
        end local 3 // boolean breakLines
        end local 2 // int len
        end local 1 // int off
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0         src  Lio/netty/buffer/ByteBuf;
            0    1     1         off  I
            0    1     2         len  I
            0    1     3  breakLines  Z
            0    1     4     dialect  Lio/netty/handler/codec/base64/Base64Dialect;
    MethodParameters:
            Name  Flags
      src         
      off         
      len         
      breakLines  
      dialect     

  public static io.netty.buffer.ByteBuf encode(io.netty.buffer.ByteBuf, int, int, boolean, io.netty.handler.codec.base64.Base64Dialect, io.netty.buffer.ByteBufAllocator);
    descriptor: (Lio/netty/buffer/ByteBuf;IIZLio/netty/handler/codec/base64/Base64Dialect;Lio/netty/buffer/ByteBufAllocator;)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=6, locals=12, args_size=6
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // int off
        start local 2 // int len
        start local 3 // boolean breakLines
        start local 4 // io.netty.handler.codec.base64.Base64Dialect dialect
        start local 5 // io.netty.buffer.ByteBufAllocator allocator
         0: .line 116
            aload 0 /* src */
            ifnonnull 2
         1: .line 117
            new java.lang.NullPointerException
            dup
            ldc "src"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 119
      StackMap locals:
      StackMap stack:
            aload 4 /* dialect */
            ifnonnull 4
         3: .line 120
            new java.lang.NullPointerException
            dup
            ldc "dialect"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 123
      StackMap locals:
      StackMap stack:
            aload 5 /* allocator */
            iload 2 /* len */
            iload 3 /* breakLines */
            invokestatic io.netty.handler.codec.base64.Base64.encodedBufferSize:(IZ)I
            invokeinterface io.netty.buffer.ByteBufAllocator.buffer:(I)Lio/netty/buffer/ByteBuf;
            aload 0 /* src */
            invokevirtual io.netty.buffer.ByteBuf.order:()Ljava/nio/ByteOrder;
            invokevirtual io.netty.buffer.ByteBuf.order:(Ljava/nio/ByteOrder;)Lio/netty/buffer/ByteBuf;
            astore 6 /* dest */
        start local 6 // io.netty.buffer.ByteBuf dest
         5: .line 124
            aload 4 /* dialect */
            invokestatic io.netty.handler.codec.base64.Base64.alphabet:(Lio/netty/handler/codec/base64/Base64Dialect;)[B
            astore 7 /* alphabet */
        start local 7 // byte[] alphabet
         6: .line 125
            iconst_0
            istore 8 /* d */
        start local 8 // int d
         7: .line 126
            iconst_0
            istore 9 /* e */
        start local 9 // int e
         8: .line 127
            iload 2 /* len */
            iconst_2
            isub
            istore 10 /* len2 */
        start local 10 // int len2
         9: .line 128
            iconst_0
            istore 11 /* lineLength */
        start local 11 // int lineLength
        10: .line 129
            goto 18
        11: .line 130
      StackMap locals: io.netty.buffer.ByteBuf int int int io.netty.handler.codec.base64.Base64Dialect io.netty.buffer.ByteBufAllocator io.netty.buffer.ByteBuf byte[] int int int int
      StackMap stack:
            aload 0 /* src */
            iload 8 /* d */
            iload 1 /* off */
            iadd
            iconst_3
            aload 6 /* dest */
            iload 9 /* e */
            aload 7 /* alphabet */
            invokestatic io.netty.handler.codec.base64.Base64.encode3to4:(Lio/netty/buffer/ByteBuf;IILio/netty/buffer/ByteBuf;I[B)V
        12: .line 132
            iinc 11 /* lineLength */ 4
        13: .line 134
            iload 3 /* breakLines */
            ifeq 17
            iload 11 /* lineLength */
            bipush 76
            if_icmpne 17
        14: .line 135
            aload 6 /* dest */
            iload 9 /* e */
            iconst_4
            iadd
            bipush 10
            invokevirtual io.netty.buffer.ByteBuf.setByte:(II)Lio/netty/buffer/ByteBuf;
            pop
        15: .line 136
            iinc 9 /* e */ 1
        16: .line 137
            iconst_0
            istore 11 /* lineLength */
        17: .line 129
      StackMap locals:
      StackMap stack:
            iinc 8 /* d */ 3
            iinc 9 /* e */ 4
      StackMap locals:
      StackMap stack:
        18: iload 8 /* d */
            iload 10 /* len2 */
            if_icmplt 11
        19: .line 141
            iload 8 /* d */
            iload 2 /* len */
            if_icmpge 22
        20: .line 142
            aload 0 /* src */
            iload 8 /* d */
            iload 1 /* off */
            iadd
            iload 2 /* len */
            iload 8 /* d */
            isub
            aload 6 /* dest */
            iload 9 /* e */
            aload 7 /* alphabet */
            invokestatic io.netty.handler.codec.base64.Base64.encode3to4:(Lio/netty/buffer/ByteBuf;IILio/netty/buffer/ByteBuf;I[B)V
        21: .line 143
            iinc 9 /* e */ 4
        22: .line 147
      StackMap locals:
      StackMap stack:
            iload 9 /* e */
            iconst_1
            if_icmple 24
            aload 6 /* dest */
            iload 9 /* e */
            iconst_1
            isub
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            bipush 10
            if_icmpne 24
        23: .line 148
            iinc 9 /* e */ -1
        24: .line 151
      StackMap locals:
      StackMap stack:
            aload 6 /* dest */
            iconst_0
            iload 9 /* e */
            invokevirtual io.netty.buffer.ByteBuf.slice:(II)Lio/netty/buffer/ByteBuf;
            areturn
        end local 11 // int lineLength
        end local 10 // int len2
        end local 9 // int e
        end local 8 // int d
        end local 7 // byte[] alphabet
        end local 6 // io.netty.buffer.ByteBuf dest
        end local 5 // io.netty.buffer.ByteBufAllocator allocator
        end local 4 // io.netty.handler.codec.base64.Base64Dialect dialect
        end local 3 // boolean breakLines
        end local 2 // int len
        end local 1 // int off
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   25     0         src  Lio/netty/buffer/ByteBuf;
            0   25     1         off  I
            0   25     2         len  I
            0   25     3  breakLines  Z
            0   25     4     dialect  Lio/netty/handler/codec/base64/Base64Dialect;
            0   25     5   allocator  Lio/netty/buffer/ByteBufAllocator;
            5   25     6        dest  Lio/netty/buffer/ByteBuf;
            6   25     7    alphabet  [B
            7   25     8           d  I
            8   25     9           e  I
            9   25    10        len2  I
           10   25    11  lineLength  I
    MethodParameters:
            Name  Flags
      src         
      off         
      len         
      breakLines  
      dialect     
      allocator   

  private static void encode3to4(io.netty.buffer.ByteBuf, int, int, io.netty.buffer.ByteBuf, int, byte[]);
    descriptor: (Lio/netty/buffer/ByteBuf;IILio/netty/buffer/ByteBuf;I[B)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=7, args_size=6
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // int srcOffset
        start local 2 // int numSigBytes
        start local 3 // io.netty.buffer.ByteBuf dest
        start local 4 // int destOffset
        start local 5 // byte[] alphabet
         0: .line 167
            aload 0 /* src */
            invokevirtual io.netty.buffer.ByteBuf.order:()Ljava/nio/ByteOrder;
            getstatic java.nio.ByteOrder.BIG_ENDIAN:Ljava/nio/ByteOrder;
            if_acmpne 11
         1: .line 169
            iload 2 /* numSigBytes */
            tableswitch { // 1 - 2
                    1: 2
                    2: 4
              default: 6
          }
         2: .line 171
      StackMap locals:
      StackMap stack:
            aload 0 /* src */
            iload 1 /* srcOffset */
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            invokestatic io.netty.handler.codec.base64.Base64.toInt:(B)I
            istore 6 /* inBuff */
        start local 6 // int inBuff
         3: .line 172
            goto 9
        end local 6 // int inBuff
         4: .line 174
      StackMap locals:
      StackMap stack:
            aload 0 /* src */
            iload 1 /* srcOffset */
            invokevirtual io.netty.buffer.ByteBuf.getShort:(I)S
            invokestatic io.netty.handler.codec.base64.Base64.toIntBE:(S)I
            istore 6 /* inBuff */
        start local 6 // int inBuff
         5: .line 175
            goto 9
        end local 6 // int inBuff
         6: .line 177
      StackMap locals:
      StackMap stack:
            iload 2 /* numSigBytes */
            ifgt 7
            iconst_0
            goto 8
      StackMap locals:
      StackMap stack:
         7: aload 0 /* src */
            iload 1 /* srcOffset */
            invokevirtual io.netty.buffer.ByteBuf.getMedium:(I)I
            invokestatic io.netty.handler.codec.base64.Base64.toIntBE:(I)I
      StackMap locals:
      StackMap stack: int
         8: istore 6 /* inBuff */
        start local 6 // int inBuff
         9: .line 180
      StackMap locals: int
      StackMap stack:
            iload 6 /* inBuff */
            iload 2 /* numSigBytes */
            aload 3 /* dest */
            iload 4 /* destOffset */
            aload 5 /* alphabet */
            invokestatic io.netty.handler.codec.base64.Base64.encode3to4BigEndian:(IILio/netty/buffer/ByteBuf;I[B)V
        end local 6 // int inBuff
        10: .line 181
            goto 20
        11: .line 183
      StackMap locals:
      StackMap stack:
            iload 2 /* numSigBytes */
            tableswitch { // 1 - 2
                    1: 12
                    2: 14
              default: 16
          }
        12: .line 185
      StackMap locals:
      StackMap stack:
            aload 0 /* src */
            iload 1 /* srcOffset */
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            invokestatic io.netty.handler.codec.base64.Base64.toInt:(B)I
            istore 6 /* inBuff */
        start local 6 // int inBuff
        13: .line 186
            goto 19
        end local 6 // int inBuff
        14: .line 188
      StackMap locals:
      StackMap stack:
            aload 0 /* src */
            iload 1 /* srcOffset */
            invokevirtual io.netty.buffer.ByteBuf.getShort:(I)S
            invokestatic io.netty.handler.codec.base64.Base64.toIntLE:(S)I
            istore 6 /* inBuff */
        start local 6 // int inBuff
        15: .line 189
            goto 19
        end local 6 // int inBuff
        16: .line 191
      StackMap locals:
      StackMap stack:
            iload 2 /* numSigBytes */
            ifgt 17
            iconst_0
            goto 18
      StackMap locals:
      StackMap stack:
        17: aload 0 /* src */
            iload 1 /* srcOffset */
            invokevirtual io.netty.buffer.ByteBuf.getMedium:(I)I
            invokestatic io.netty.handler.codec.base64.Base64.toIntLE:(I)I
      StackMap locals:
      StackMap stack: int
        18: istore 6 /* inBuff */
        start local 6 // int inBuff
        19: .line 194
      StackMap locals: int
      StackMap stack:
            iload 6 /* inBuff */
            iload 2 /* numSigBytes */
            aload 3 /* dest */
            iload 4 /* destOffset */
            aload 5 /* alphabet */
            invokestatic io.netty.handler.codec.base64.Base64.encode3to4LittleEndian:(IILio/netty/buffer/ByteBuf;I[B)V
        end local 6 // int inBuff
        20: .line 196
      StackMap locals:
      StackMap stack:
            return
        end local 5 // byte[] alphabet
        end local 4 // int destOffset
        end local 3 // io.netty.buffer.ByteBuf dest
        end local 2 // int numSigBytes
        end local 1 // int srcOffset
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   21     0          src  Lio/netty/buffer/ByteBuf;
            0   21     1    srcOffset  I
            0   21     2  numSigBytes  I
            0   21     3         dest  Lio/netty/buffer/ByteBuf;
            0   21     4   destOffset  I
            0   21     5     alphabet  [B
            3    4     6       inBuff  I
            5    6     6       inBuff  I
            9   10     6       inBuff  I
           13   14     6       inBuff  I
           15   16     6       inBuff  I
           19   20     6       inBuff  I
    MethodParameters:
             Name  Flags
      src          
      srcOffset    
      numSigBytes  
      dest         
      destOffset   
      alphabet     

  static int encodedBufferSize(int, boolean);
    descriptor: (IZ)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=6, locals=6, args_size=2
        start local 0 // int len
        start local 1 // boolean breakLines
         0: .line 201
            iload 0 /* len */
            i2l
            iconst_2
            lshl
            ldc 3
            ldiv
            lstore 2 /* len43 */
        start local 2 // long len43
         1: .line 204
            lload 2 /* len43 */
            ldc 3
            ladd
            ldc -4
            land
            lstore 4 /* ret */
        start local 4 // long ret
         2: .line 206
            iload 1 /* breakLines */
            ifeq 4
         3: .line 207
            lload 4 /* ret */
            lload 2 /* len43 */
            ldc 76
            ldiv
            ladd
            lstore 4 /* ret */
         4: .line 210
      StackMap locals: long long
      StackMap stack:
            lload 4 /* ret */
            ldc 2147483647
            lcmp
            ifge 5
            lload 4 /* ret */
            l2i
            goto 6
      StackMap locals:
      StackMap stack:
         5: ldc 2147483647
      StackMap locals:
      StackMap stack: int
         6: ireturn
        end local 4 // long ret
        end local 2 // long len43
        end local 1 // boolean breakLines
        end local 0 // int len
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    7     0         len  I
            0    7     1  breakLines  Z
            1    7     2       len43  J
            2    7     4         ret  J
    MethodParameters:
            Name  Flags
      len         
      breakLines  

  private static int toInt(byte);
    descriptor: (B)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // byte value
         0: .line 214
            iload 0 /* value */
            sipush 255
            iand
            bipush 16
            ishl
            ireturn
        end local 0 // byte value
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0  value  B
    MethodParameters:
       Name  Flags
      value  

  private static int toIntBE(short);
    descriptor: (S)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // short value
         0: .line 218
            iload 0 /* value */
            ldc 65280
            iand
            bipush 8
            ishl
            iload 0 /* value */
            sipush 255
            iand
            bipush 8
            ishl
            ior
            ireturn
        end local 0 // short value
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0  value  S
    MethodParameters:
       Name  Flags
      value  

  private static int toIntLE(short);
    descriptor: (S)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // short value
         0: .line 222
            iload 0 /* value */
            sipush 255
            iand
            bipush 16
            ishl
            iload 0 /* value */
            ldc 65280
            iand
            ior
            ireturn
        end local 0 // short value
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0  value  S
    MethodParameters:
       Name  Flags
      value  

  private static int toIntBE(int);
    descriptor: (I)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // int mediumValue
         0: .line 226
            iload 0 /* mediumValue */
            ldc 16711680
            iand
            iload 0 /* mediumValue */
            ldc 65280
            iand
            ior
            iload 0 /* mediumValue */
            sipush 255
            iand
            ior
            ireturn
        end local 0 // int mediumValue
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    1     0  mediumValue  I
    MethodParameters:
             Name  Flags
      mediumValue  

  private static int toIntLE(int);
    descriptor: (I)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // int mediumValue
         0: .line 230
            iload 0 /* mediumValue */
            sipush 255
            iand
            bipush 16
            ishl
            iload 0 /* mediumValue */
            ldc 65280
            iand
            ior
            iload 0 /* mediumValue */
            ldc 16711680
            iand
            bipush 16
            iushr
            ior
            ireturn
        end local 0 // int mediumValue
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    1     0  mediumValue  I
    MethodParameters:
             Name  Flags
      mediumValue  

  private static void encode3to4BigEndian(int, int, io.netty.buffer.ByteBuf, int, byte[]);
    descriptor: (IILio/netty/buffer/ByteBuf;I[B)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=6, locals=5, args_size=5
        start local 0 // int inBuff
        start local 1 // int numSigBytes
        start local 2 // io.netty.buffer.ByteBuf dest
        start local 3 // int destOffset
        start local 4 // byte[] alphabet
         0: .line 236
            iload 1 /* numSigBytes */
            tableswitch { // 1 - 3
                    1: 13
                    2: 7
                    3: 1
              default: 19
          }
         1: .line 238
      StackMap locals:
      StackMap stack:
            aload 2 /* dest */
            iload 3 /* destOffset */
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 18
            iushr
            baload
            bipush 24
            ishl
         2: .line 239
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 12
            iushr
            bipush 63
            iand
            baload
            bipush 16
            ishl
            ior
         3: .line 240
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 6
            iushr
            bipush 63
            iand
            baload
            bipush 8
            ishl
            ior
         4: .line 241
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 63
            iand
            baload
            ior
         5: .line 238
            invokevirtual io.netty.buffer.ByteBuf.setInt:(II)Lio/netty/buffer/ByteBuf;
            pop
         6: .line 242
            goto 19
         7: .line 244
      StackMap locals:
      StackMap stack:
            aload 2 /* dest */
            iload 3 /* destOffset */
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 18
            iushr
            baload
            bipush 24
            ishl
         8: .line 245
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 12
            iushr
            bipush 63
            iand
            baload
            bipush 16
            ishl
            ior
         9: .line 246
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 6
            iushr
            bipush 63
            iand
            baload
            bipush 8
            ishl
            ior
        10: .line 247
            bipush 61
            ior
        11: .line 244
            invokevirtual io.netty.buffer.ByteBuf.setInt:(II)Lio/netty/buffer/ByteBuf;
            pop
        12: .line 248
            goto 19
        13: .line 250
      StackMap locals:
      StackMap stack:
            aload 2 /* dest */
            iload 3 /* destOffset */
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 18
            iushr
            baload
            bipush 24
            ishl
        14: .line 251
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 12
            iushr
            bipush 63
            iand
            baload
            bipush 16
            ishl
            ior
        15: .line 252
            sipush 15616
            ior
        16: .line 253
            bipush 61
            ior
        17: .line 250
            invokevirtual io.netty.buffer.ByteBuf.setInt:(II)Lio/netty/buffer/ByteBuf;
            pop
        18: .line 254
            goto 19
        19: .line 259
      StackMap locals:
      StackMap stack:
            return
        end local 4 // byte[] alphabet
        end local 3 // int destOffset
        end local 2 // io.netty.buffer.ByteBuf dest
        end local 1 // int numSigBytes
        end local 0 // int inBuff
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   20     0       inBuff  I
            0   20     1  numSigBytes  I
            0   20     2         dest  Lio/netty/buffer/ByteBuf;
            0   20     3   destOffset  I
            0   20     4     alphabet  [B
    MethodParameters:
             Name  Flags
      inBuff       
      numSigBytes  
      dest         
      destOffset   
      alphabet     

  private static void encode3to4LittleEndian(int, int, io.netty.buffer.ByteBuf, int, byte[]);
    descriptor: (IILio/netty/buffer/ByteBuf;I[B)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=6, locals=5, args_size=5
        start local 0 // int inBuff
        start local 1 // int numSigBytes
        start local 2 // io.netty.buffer.ByteBuf dest
        start local 3 // int destOffset
        start local 4 // byte[] alphabet
         0: .line 264
            iload 1 /* numSigBytes */
            tableswitch { // 1 - 3
                    1: 13
                    2: 7
                    3: 1
              default: 19
          }
         1: .line 266
      StackMap locals:
      StackMap stack:
            aload 2 /* dest */
            iload 3 /* destOffset */
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 18
            iushr
            baload
         2: .line 267
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 12
            iushr
            bipush 63
            iand
            baload
            bipush 8
            ishl
            ior
         3: .line 268
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 6
            iushr
            bipush 63
            iand
            baload
            bipush 16
            ishl
            ior
         4: .line 269
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 63
            iand
            baload
            bipush 24
            ishl
            ior
         5: .line 266
            invokevirtual io.netty.buffer.ByteBuf.setInt:(II)Lio/netty/buffer/ByteBuf;
            pop
         6: .line 270
            goto 19
         7: .line 272
      StackMap locals:
      StackMap stack:
            aload 2 /* dest */
            iload 3 /* destOffset */
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 18
            iushr
            baload
         8: .line 273
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 12
            iushr
            bipush 63
            iand
            baload
            bipush 8
            ishl
            ior
         9: .line 274
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 6
            iushr
            bipush 63
            iand
            baload
            bipush 16
            ishl
            ior
        10: .line 275
            ldc 1023410176
            ior
        11: .line 272
            invokevirtual io.netty.buffer.ByteBuf.setInt:(II)Lio/netty/buffer/ByteBuf;
            pop
        12: .line 276
            goto 19
        13: .line 278
      StackMap locals:
      StackMap stack:
            aload 2 /* dest */
            iload 3 /* destOffset */
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 18
            iushr
            baload
        14: .line 279
            aload 4 /* alphabet */
            iload 0 /* inBuff */
            bipush 12
            iushr
            bipush 63
            iand
            baload
            bipush 8
            ishl
            ior
        15: .line 280
            ldc 3997696
            ior
        16: .line 281
            ldc 1023410176
            ior
        17: .line 278
            invokevirtual io.netty.buffer.ByteBuf.setInt:(II)Lio/netty/buffer/ByteBuf;
            pop
        18: .line 282
            goto 19
        19: .line 287
      StackMap locals:
      StackMap stack:
            return
        end local 4 // byte[] alphabet
        end local 3 // int destOffset
        end local 2 // io.netty.buffer.ByteBuf dest
        end local 1 // int numSigBytes
        end local 0 // int inBuff
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   20     0       inBuff  I
            0   20     1  numSigBytes  I
            0   20     2         dest  Lio/netty/buffer/ByteBuf;
            0   20     3   destOffset  I
            0   20     4     alphabet  [B
    MethodParameters:
             Name  Flags
      inBuff       
      numSigBytes  
      dest         
      destOffset   
      alphabet     

  public static io.netty.buffer.ByteBuf decode(io.netty.buffer.ByteBuf);
    descriptor: (Lio/netty/buffer/ByteBuf;)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.buffer.ByteBuf src
         0: .line 290
            aload 0 /* src */
            getstatic io.netty.handler.codec.base64.Base64Dialect.STANDARD:Lio/netty/handler/codec/base64/Base64Dialect;
            invokestatic io.netty.handler.codec.base64.Base64.decode:(Lio/netty/buffer/ByteBuf;Lio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            areturn
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0   src  Lio/netty/buffer/ByteBuf;
    MethodParameters:
      Name  Flags
      src   

  public static io.netty.buffer.ByteBuf decode(io.netty.buffer.ByteBuf, io.netty.handler.codec.base64.Base64Dialect);
    descriptor: (Lio/netty/buffer/ByteBuf;Lio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // io.netty.handler.codec.base64.Base64Dialect dialect
         0: .line 294
            aload 0 /* src */
            ifnonnull 2
         1: .line 295
            new java.lang.NullPointerException
            dup
            ldc "src"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 298
      StackMap locals:
      StackMap stack:
            aload 0 /* src */
            aload 0 /* src */
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            aload 0 /* src */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            aload 1 /* dialect */
            invokestatic io.netty.handler.codec.base64.Base64.decode:(Lio/netty/buffer/ByteBuf;IILio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            astore 2 /* dest */
        start local 2 // io.netty.buffer.ByteBuf dest
         3: .line 299
            aload 0 /* src */
            aload 0 /* src */
            invokevirtual io.netty.buffer.ByteBuf.writerIndex:()I
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:(I)Lio/netty/buffer/ByteBuf;
            pop
         4: .line 300
            aload 2 /* dest */
            areturn
        end local 2 // io.netty.buffer.ByteBuf dest
        end local 1 // io.netty.handler.codec.base64.Base64Dialect dialect
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0      src  Lio/netty/buffer/ByteBuf;
            0    5     1  dialect  Lio/netty/handler/codec/base64/Base64Dialect;
            3    5     2     dest  Lio/netty/buffer/ByteBuf;
    MethodParameters:
         Name  Flags
      src      
      dialect  

  public static io.netty.buffer.ByteBuf decode(io.netty.buffer.ByteBuf, int, int);
    descriptor: (Lio/netty/buffer/ByteBuf;II)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // int off
        start local 2 // int len
         0: .line 305
            aload 0 /* src */
            iload 1 /* off */
            iload 2 /* len */
            getstatic io.netty.handler.codec.base64.Base64Dialect.STANDARD:Lio/netty/handler/codec/base64/Base64Dialect;
            invokestatic io.netty.handler.codec.base64.Base64.decode:(Lio/netty/buffer/ByteBuf;IILio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            areturn
        end local 2 // int len
        end local 1 // int off
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0   src  Lio/netty/buffer/ByteBuf;
            0    1     1   off  I
            0    1     2   len  I
    MethodParameters:
      Name  Flags
      src   
      off   
      len   

  public static io.netty.buffer.ByteBuf decode(io.netty.buffer.ByteBuf, int, int, io.netty.handler.codec.base64.Base64Dialect);
    descriptor: (Lio/netty/buffer/ByteBuf;IILio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // int off
        start local 2 // int len
        start local 3 // io.netty.handler.codec.base64.Base64Dialect dialect
         0: .line 310
            aload 0 /* src */
            iload 1 /* off */
            iload 2 /* len */
            aload 3 /* dialect */
            aload 0 /* src */
            invokevirtual io.netty.buffer.ByteBuf.alloc:()Lio/netty/buffer/ByteBufAllocator;
            invokestatic io.netty.handler.codec.base64.Base64.decode:(Lio/netty/buffer/ByteBuf;IILio/netty/handler/codec/base64/Base64Dialect;Lio/netty/buffer/ByteBufAllocator;)Lio/netty/buffer/ByteBuf;
            areturn
        end local 3 // io.netty.handler.codec.base64.Base64Dialect dialect
        end local 2 // int len
        end local 1 // int off
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0      src  Lio/netty/buffer/ByteBuf;
            0    1     1      off  I
            0    1     2      len  I
            0    1     3  dialect  Lio/netty/handler/codec/base64/Base64Dialect;
    MethodParameters:
         Name  Flags
      src      
      off      
      len      
      dialect  

  public static io.netty.buffer.ByteBuf decode(io.netty.buffer.ByteBuf, int, int, io.netty.handler.codec.base64.Base64Dialect, io.netty.buffer.ByteBufAllocator);
    descriptor: (Lio/netty/buffer/ByteBuf;IILio/netty/handler/codec/base64/Base64Dialect;Lio/netty/buffer/ByteBufAllocator;)Lio/netty/buffer/ByteBuf;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=6, locals=5, args_size=5
        start local 0 // io.netty.buffer.ByteBuf src
        start local 1 // int off
        start local 2 // int len
        start local 3 // io.netty.handler.codec.base64.Base64Dialect dialect
        start local 4 // io.netty.buffer.ByteBufAllocator allocator
         0: .line 315
            aload 0 /* src */
            ifnonnull 2
         1: .line 316
            new java.lang.NullPointerException
            dup
            ldc "src"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 318
      StackMap locals:
      StackMap stack:
            aload 3 /* dialect */
            ifnonnull 4
         3: .line 319
            new java.lang.NullPointerException
            dup
            ldc "dialect"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 323
      StackMap locals:
      StackMap stack:
            new io.netty.handler.codec.base64.Base64$Decoder
            dup
            invokespecial io.netty.handler.codec.base64.Base64$Decoder.<init>:()V
            aload 0 /* src */
            iload 1 /* off */
            iload 2 /* len */
            aload 4 /* allocator */
            aload 3 /* dialect */
            invokevirtual io.netty.handler.codec.base64.Base64$Decoder.decode:(Lio/netty/buffer/ByteBuf;IILio/netty/buffer/ByteBufAllocator;Lio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            areturn
        end local 4 // io.netty.buffer.ByteBufAllocator allocator
        end local 3 // io.netty.handler.codec.base64.Base64Dialect dialect
        end local 2 // int len
        end local 1 // int off
        end local 0 // io.netty.buffer.ByteBuf src
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    5     0        src  Lio/netty/buffer/ByteBuf;
            0    5     1        off  I
            0    5     2        len  I
            0    5     3    dialect  Lio/netty/handler/codec/base64/Base64Dialect;
            0    5     4  allocator  Lio/netty/buffer/ByteBufAllocator;
    MethodParameters:
           Name  Flags
      src        
      off        
      len        
      dialect    
      allocator  

  static int decodedBufferSize(int);
    descriptor: (I)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // int len
         0: .line 328
            iload 0 /* len */
            iload 0 /* len */
            iconst_2
            iushr
            isub
            ireturn
        end local 0 // int len
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0   len  I
    MethodParameters:
      Name  Flags
      len   

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.base64.Base64 this
         0: .line 451
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 453
            return
        end local 0 // io.netty.handler.codec.base64.Base64 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/handler/codec/base64/Base64;
}
SourceFile: "Base64.java"
NestMembers:
  io.netty.handler.codec.base64.Base64$Decoder
InnerClasses:
  private final Decoder = io.netty.handler.codec.base64.Base64$Decoder of io.netty.handler.codec.base64.Base64