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.DefaultSocks5InitialRequest extends io.netty.handler.codec.socksx.v5.AbstractSocks5Message implements io.netty.handler.codec.socksx.v5.Socks5InitialRequest
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest
  super_class: io.netty.handler.codec.socksx.v5.AbstractSocks5Message
{
  private final java.util.List<io.netty.handler.codec.socksx.v5.Socks5AuthMethod> authMethods;
    descriptor: Ljava/util/List;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/List<Lio/netty/handler/codec/socksx/v5/Socks5AuthMethod;>;

  public void <init>(io.netty.handler.codec.socksx.v5.Socks5AuthMethod[]);
    descriptor: ([Lio/netty/handler/codec/socksx/v5/Socks5AuthMethod;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=3, locals=7, args_size=2
        start local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest this
        start local 1 // io.netty.handler.codec.socksx.v5.Socks5AuthMethod[] authMethods
         0: .line 32
            aload 0 /* this */
            invokespecial io.netty.handler.codec.socksx.v5.AbstractSocks5Message.<init>:()V
         1: .line 33
            aload 1 /* authMethods */
            ifnonnull 3
         2: .line 34
            new java.lang.NullPointerException
            dup
            ldc "authMethods"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 37
      StackMap locals: io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest io.netty.handler.codec.socksx.v5.Socks5AuthMethod[]
      StackMap stack:
            new java.util.ArrayList
            dup
            aload 1 /* authMethods */
            arraylength
            invokespecial java.util.ArrayList.<init>:(I)V
            astore 2 /* list */
        start local 2 // java.util.List list
         4: .line 38
            aload 1 /* authMethods */
            dup
            astore 6
            arraylength
            istore 5
            iconst_0
            istore 4
            goto 10
      StackMap locals: io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest io.netty.handler.codec.socksx.v5.Socks5AuthMethod[] java.util.List top int int io.netty.handler.codec.socksx.v5.Socks5AuthMethod[]
      StackMap stack:
         5: aload 6
            iload 4
            aaload
            astore 3 /* m */
        start local 3 // io.netty.handler.codec.socksx.v5.Socks5AuthMethod m
         6: .line 39
            aload 3 /* m */
            ifnonnull 8
         7: .line 40
            goto 11
         8: .line 42
      StackMap locals: io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest io.netty.handler.codec.socksx.v5.Socks5AuthMethod[] java.util.List io.netty.handler.codec.socksx.v5.Socks5AuthMethod int int io.netty.handler.codec.socksx.v5.Socks5AuthMethod[]
      StackMap stack:
            aload 2 /* list */
            aload 3 /* m */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 3 // io.netty.handler.codec.socksx.v5.Socks5AuthMethod m
         9: .line 38
            iinc 4 1
      StackMap locals: io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest io.netty.handler.codec.socksx.v5.Socks5AuthMethod[] java.util.List top int int io.netty.handler.codec.socksx.v5.Socks5AuthMethod[]
      StackMap stack:
        10: iload 4
            iload 5
            if_icmplt 5
        11: .line 45
      StackMap locals: io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest io.netty.handler.codec.socksx.v5.Socks5AuthMethod[] java.util.List
      StackMap stack:
            aload 2 /* list */
            invokeinterface java.util.List.isEmpty:()Z
            ifeq 13
        12: .line 46
            new java.lang.IllegalArgumentException
            dup
            ldc "authMethods is empty"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        13: .line 49
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 2 /* list */
            invokestatic java.util.Collections.unmodifiableList:(Ljava/util/List;)Ljava/util/List;
            putfield io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest.authMethods:Ljava/util/List;
        14: .line 50
            return
        end local 2 // java.util.List list
        end local 1 // io.netty.handler.codec.socksx.v5.Socks5AuthMethod[] authMethods
        end local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   15     0         this  Lio/netty/handler/codec/socksx/v5/DefaultSocks5InitialRequest;
            0   15     1  authMethods  [Lio/netty/handler/codec/socksx/v5/Socks5AuthMethod;
            4   15     2         list  Ljava/util/List<Lio/netty/handler/codec/socksx/v5/Socks5AuthMethod;>;
            6    9     3            m  Lio/netty/handler/codec/socksx/v5/Socks5AuthMethod;
    MethodParameters:
             Name  Flags
      authMethods  

  public void <init>(java.lang.Iterable<io.netty.handler.codec.socksx.v5.Socks5AuthMethod>);
    descriptor: (Ljava/lang/Iterable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest this
        start local 1 // java.lang.Iterable authMethods
         0: .line 52
            aload 0 /* this */
            invokespecial io.netty.handler.codec.socksx.v5.AbstractSocks5Message.<init>:()V
         1: .line 53
            aload 1 /* authMethods */
            ifnonnull 3
         2: .line 54
            new java.lang.NullPointerException
            dup
            ldc "authSchemes"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 57
      StackMap locals: io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest java.lang.Iterable
      StackMap stack:
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 2 /* list */
        start local 2 // java.util.List list
         4: .line 58
            aload 1 /* authMethods */
            invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
            astore 4
            goto 9
      StackMap locals: io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest java.lang.Iterable java.util.List top java.util.Iterator
      StackMap stack:
         5: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast io.netty.handler.codec.socksx.v5.Socks5AuthMethod
            astore 3 /* m */
        start local 3 // io.netty.handler.codec.socksx.v5.Socks5AuthMethod m
         6: .line 59
            aload 3 /* m */
            ifnonnull 8
         7: .line 60
            goto 10
         8: .line 62
      StackMap locals: io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest java.lang.Iterable java.util.List io.netty.handler.codec.socksx.v5.Socks5AuthMethod java.util.Iterator
      StackMap stack:
            aload 2 /* list */
            aload 3 /* m */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 3 // io.netty.handler.codec.socksx.v5.Socks5AuthMethod m
         9: .line 58
      StackMap locals: io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest java.lang.Iterable java.util.List top java.util.Iterator
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 5
        10: .line 65
      StackMap locals: io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest java.lang.Iterable java.util.List
      StackMap stack:
            aload 2 /* list */
            invokeinterface java.util.List.isEmpty:()Z
            ifeq 12
        11: .line 66
            new java.lang.IllegalArgumentException
            dup
            ldc "authMethods is empty"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        12: .line 69
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 2 /* list */
            invokestatic java.util.Collections.unmodifiableList:(Ljava/util/List;)Ljava/util/List;
            putfield io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest.authMethods:Ljava/util/List;
        13: .line 70
            return
        end local 2 // java.util.List list
        end local 1 // java.lang.Iterable authMethods
        end local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   14     0         this  Lio/netty/handler/codec/socksx/v5/DefaultSocks5InitialRequest;
            0   14     1  authMethods  Ljava/lang/Iterable<Lio/netty/handler/codec/socksx/v5/Socks5AuthMethod;>;
            4   14     2         list  Ljava/util/List<Lio/netty/handler/codec/socksx/v5/Socks5AuthMethod;>;
            6    9     3            m  Lio/netty/handler/codec/socksx/v5/Socks5AuthMethod;
    Signature: (Ljava/lang/Iterable<Lio/netty/handler/codec/socksx/v5/Socks5AuthMethod;>;)V
    MethodParameters:
             Name  Flags
      authMethods  

  public java.util.List<io.netty.handler.codec.socksx.v5.Socks5AuthMethod> authMethods();
    descriptor: ()Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest this
         0: .line 74
            aload 0 /* this */
            getfield io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest.authMethods:Ljava/util/List;
            areturn
        end local 0 // io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/socksx/v5/DefaultSocks5InitialRequest;
    Signature: ()Ljava/util/List<Lio/netty/handler/codec/socksx/v5/Socks5AuthMethod;>;

  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.DefaultSocks5InitialRequest this
         0: .line 79
            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 81
            aload 0 /* this */
            invokevirtual io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest.decoderResult:()Lio/netty/handler/codec/DecoderResult;
            astore 2 /* decoderResult */
        start local 2 // io.netty.handler.codec.DecoderResult decoderResult
         2: .line 82
            aload 2 /* decoderResult */
            invokevirtual io.netty.handler.codec.DecoderResult.isSuccess:()Z
            ifne 7
         3: .line 83
            aload 1 /* buf */
            ldc "(decoderResult: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         4: .line 84
            aload 1 /* buf */
            aload 2 /* decoderResult */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            pop
         5: .line 85
            aload 1 /* buf */
            ldc ", authMethods: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         6: .line 86
            goto 8
         7: .line 87
      StackMap locals: java.lang.StringBuilder io.netty.handler.codec.DecoderResult
      StackMap stack:
            aload 1 /* buf */
            ldc "(authMethods: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         8: .line 89
      StackMap locals:
      StackMap stack:
            aload 1 /* buf */
            aload 0 /* this */
            invokevirtual io.netty.handler.codec.socksx.v5.DefaultSocks5InitialRequest.authMethods:()Ljava/util/List;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            pop
         9: .line 90
            aload 1 /* buf */
            bipush 41
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        10: .line 92
            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.DefaultSocks5InitialRequest this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   11     0           this  Lio/netty/handler/codec/socksx/v5/DefaultSocks5InitialRequest;
            1   11     1            buf  Ljava/lang/StringBuilder;
            2   11     2  decoderResult  Lio/netty/handler/codec/DecoderResult;
}
SourceFile: "DefaultSocks5InitialRequest.java"