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.socksx.v5.DefaultSocks5PasswordAuthRequest extends io.netty.handler.codec.socksx.v5.AbstractSocks5Message implements io.netty.handler.codec.socksx.v5.Socks5PasswordAuthRequest
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest
  super_class: io.netty.handler.codec.socksx.v5.AbstractSocks5Message
{
  private final java.lang.String username;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.String password;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest this
        start local 1 // java.lang.String username
        start local 2 // java.lang.String password
         0: .line 29
            aload 0 /* this */
            invokespecial io.netty.handler.codec.socksx.v5.AbstractSocks5Message.<init>:()V
         1: .line 30
            aload 1 /* username */
            ifnonnull 3
         2: .line 31
            new java.lang.NullPointerException
            dup
            ldc "username"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 33
      StackMap locals: io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest java.lang.String java.lang.String
      StackMap stack:
            aload 2 /* password */
            ifnonnull 5
         4: .line 34
            new java.lang.NullPointerException
            dup
            ldc "password"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 37
      StackMap locals:
      StackMap stack:
            aload 1 /* username */
            invokevirtual java.lang.String.length:()I
            sipush 255
            if_icmple 7
         6: .line 38
            new java.lang.IllegalArgumentException
            dup
            ldc "username: **** (expected: less than 256 chars)"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 40
      StackMap locals:
      StackMap stack:
            aload 2 /* password */
            invokevirtual java.lang.String.length:()I
            sipush 255
            if_icmple 9
         8: .line 41
            new java.lang.IllegalArgumentException
            dup
            ldc "password: **** (expected: less than 256 chars)"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         9: .line 44
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* username */
            putfield io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest.username:Ljava/lang/String;
        10: .line 45
            aload 0 /* this */
            aload 2 /* password */
            putfield io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest.password:Ljava/lang/String;
        11: .line 46
            return
        end local 2 // java.lang.String password
        end local 1 // java.lang.String username
        end local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   12     0      this  Lio/netty/handler/codec/socksx/v5/DefaultSocks5PasswordAuthRequest;
            0   12     1  username  Ljava/lang/String;
            0   12     2  password  Ljava/lang/String;
    MethodParameters:
          Name  Flags
      username  
      password  

  public java.lang.String username();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest this
         0: .line 50
            aload 0 /* this */
            getfield io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest.username:Ljava/lang/String;
            areturn
        end local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/socksx/v5/DefaultSocks5PasswordAuthRequest;

  public java.lang.String password();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest this
         0: .line 55
            aload 0 /* this */
            getfield io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest.password:Ljava/lang/String;
            areturn
        end local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/socksx/v5/DefaultSocks5PasswordAuthRequest;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest this
         0: .line 60
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            invokestatic io.netty.util.internal.StringUtil.simpleClassName:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            astore 1 /* buf */
        start local 1 // java.lang.StringBuilder buf
         1: .line 62
            aload 0 /* this */
            invokevirtual io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest.decoderResult:()Lio/netty/handler/codec/DecoderResult;
            astore 2 /* decoderResult */
        start local 2 // io.netty.handler.codec.DecoderResult decoderResult
         2: .line 63
            aload 2 /* decoderResult */
            invokevirtual io.netty.handler.codec.DecoderResult.isSuccess:()Z
            ifne 7
         3: .line 64
            aload 1 /* buf */
            ldc "(decoderResult: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         4: .line 65
            aload 1 /* buf */
            aload 2 /* decoderResult */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            pop
         5: .line 66
            aload 1 /* buf */
            ldc ", username: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         6: .line 67
            goto 8
         7: .line 68
      StackMap locals: java.lang.StringBuilder io.netty.handler.codec.DecoderResult
      StackMap stack:
            aload 1 /* buf */
            ldc "(username: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         8: .line 70
      StackMap locals:
      StackMap stack:
            aload 1 /* buf */
            aload 0 /* this */
            invokevirtual io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest.username:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         9: .line 71
            aload 1 /* buf */
            ldc ", password: ****)"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        10: .line 73
            aload 1 /* buf */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 2 // io.netty.handler.codec.DecoderResult decoderResult
        end local 1 // java.lang.StringBuilder buf
        end local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   11     0           this  Lio/netty/handler/codec/socksx/v5/DefaultSocks5PasswordAuthRequest;
            1   11     1            buf  Ljava/lang/StringBuilder;
            2   11     2  decoderResult  Lio/netty/handler/codec/DecoderResult;
}
SourceFile: "DefaultSocks5PasswordAuthRequest.java"