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.proxy.ProxyConnectionEvent
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.netty.handler.proxy.ProxyConnectionEvent
  super_class: java.lang.Object
{
  private final java.lang.String protocol;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  private final java.net.SocketAddress proxyAddress;
    descriptor: Ljava/net/SocketAddress;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.net.SocketAddress destinationAddress;
    descriptor: Ljava/net/SocketAddress;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private java.lang.String strVal;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(java.lang.String, java.lang.String, java.net.SocketAddress, java.net.SocketAddress);
    descriptor: (Ljava/lang/String;Ljava/lang/String;Ljava/net/SocketAddress;Ljava/net/SocketAddress;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=5
        start local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
        start local 1 // java.lang.String protocol
        start local 2 // java.lang.String authScheme
        start local 3 // java.net.SocketAddress proxyAddress
        start local 4 // java.net.SocketAddress destinationAddress
         0: .line 34
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 36
            aload 1 /* protocol */
            ifnonnull 3
         2: .line 37
            new java.lang.NullPointerException
            dup
            ldc "protocol"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 39
      StackMap locals: io.netty.handler.proxy.ProxyConnectionEvent java.lang.String java.lang.String java.net.SocketAddress java.net.SocketAddress
      StackMap stack:
            aload 2 /* authScheme */
            ifnonnull 5
         4: .line 40
            new java.lang.NullPointerException
            dup
            ldc "authScheme"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 42
      StackMap locals:
      StackMap stack:
            aload 3 /* proxyAddress */
            ifnonnull 7
         6: .line 43
            new java.lang.NullPointerException
            dup
            ldc "proxyAddress"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 45
      StackMap locals:
      StackMap stack:
            aload 4 /* destinationAddress */
            ifnonnull 9
         8: .line 46
            new java.lang.NullPointerException
            dup
            ldc "destinationAddress"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         9: .line 49
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* protocol */
            putfield io.netty.handler.proxy.ProxyConnectionEvent.protocol:Ljava/lang/String;
        10: .line 50
            aload 0 /* this */
            aload 2 /* authScheme */
            putfield io.netty.handler.proxy.ProxyConnectionEvent.authScheme:Ljava/lang/String;
        11: .line 51
            aload 0 /* this */
            aload 3 /* proxyAddress */
            putfield io.netty.handler.proxy.ProxyConnectionEvent.proxyAddress:Ljava/net/SocketAddress;
        12: .line 52
            aload 0 /* this */
            aload 4 /* destinationAddress */
            putfield io.netty.handler.proxy.ProxyConnectionEvent.destinationAddress:Ljava/net/SocketAddress;
        13: .line 53
            return
        end local 4 // java.net.SocketAddress destinationAddress
        end local 3 // java.net.SocketAddress proxyAddress
        end local 2 // java.lang.String authScheme
        end local 1 // java.lang.String protocol
        end local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0   14     0                this  Lio/netty/handler/proxy/ProxyConnectionEvent;
            0   14     1            protocol  Ljava/lang/String;
            0   14     2          authScheme  Ljava/lang/String;
            0   14     3        proxyAddress  Ljava/net/SocketAddress;
            0   14     4  destinationAddress  Ljava/net/SocketAddress;
    MethodParameters:
                    Name  Flags
      protocol            
      authScheme          
      proxyAddress        
      destinationAddress  

  public java.lang.String protocol();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
         0: .line 59
            aload 0 /* this */
            getfield io.netty.handler.proxy.ProxyConnectionEvent.protocol:Ljava/lang/String;
            areturn
        end local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/proxy/ProxyConnectionEvent;

  public java.lang.String authScheme();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
         0: .line 66
            aload 0 /* this */
            getfield io.netty.handler.proxy.ProxyConnectionEvent.authScheme:Ljava/lang/String;
            areturn
        end local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/proxy/ProxyConnectionEvent;

  public <T extends java.net.SocketAddress> T proxyAddress();
    descriptor: ()Ljava/net/SocketAddress;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
         0: .line 74
            aload 0 /* this */
            getfield io.netty.handler.proxy.ProxyConnectionEvent.proxyAddress:Ljava/net/SocketAddress;
            areturn
        end local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/proxy/ProxyConnectionEvent;
    Signature: <T:Ljava/net/SocketAddress;>()TT;

  public <T extends java.net.SocketAddress> T destinationAddress();
    descriptor: ()Ljava/net/SocketAddress;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
         0: .line 82
            aload 0 /* this */
            getfield io.netty.handler.proxy.ProxyConnectionEvent.destinationAddress:Ljava/net/SocketAddress;
            areturn
        end local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/proxy/ProxyConnectionEvent;
    Signature: <T:Ljava/net/SocketAddress;>()TT;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
         0: .line 87
            aload 0 /* this */
            getfield io.netty.handler.proxy.ProxyConnectionEvent.strVal:Ljava/lang/String;
            ifnull 2
         1: .line 88
            aload 0 /* this */
            getfield io.netty.handler.proxy.ProxyConnectionEvent.strVal:Ljava/lang/String;
            areturn
         2: .line 91
      StackMap locals:
      StackMap stack:
            new java.lang.StringBuilder
            dup
            sipush 128
            invokespecial java.lang.StringBuilder.<init>:(I)V
         3: .line 92
            aload 0 /* this */
            invokestatic io.netty.util.internal.StringUtil.simpleClassName:(Ljava/lang/Object;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         4: .line 93
            bipush 40
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
         5: .line 94
            aload 0 /* this */
            getfield io.netty.handler.proxy.ProxyConnectionEvent.protocol:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         6: .line 95
            ldc ", "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         7: .line 96
            aload 0 /* this */
            getfield io.netty.handler.proxy.ProxyConnectionEvent.authScheme:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         8: .line 97
            ldc ", "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         9: .line 98
            aload 0 /* this */
            getfield io.netty.handler.proxy.ProxyConnectionEvent.proxyAddress:Ljava/net/SocketAddress;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
        10: .line 99
            ldc " => "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        11: .line 100
            aload 0 /* this */
            getfield io.netty.handler.proxy.ProxyConnectionEvent.destinationAddress:Ljava/net/SocketAddress;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
        12: .line 101
            bipush 41
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
        13: .line 91
            astore 1 /* buf */
        start local 1 // java.lang.StringBuilder buf
        14: .line 103
            aload 0 /* this */
            aload 1 /* buf */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            dup_x1
            putfield io.netty.handler.proxy.ProxyConnectionEvent.strVal:Ljava/lang/String;
            areturn
        end local 1 // java.lang.StringBuilder buf
        end local 0 // io.netty.handler.proxy.ProxyConnectionEvent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   15     0  this  Lio/netty/handler/proxy/ProxyConnectionEvent;
           14   15     1   buf  Ljava/lang/StringBuilder;
}
SourceFile: "ProxyConnectionEvent.java"