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) 
class io.netty.util.internal.logging.Log4J2Logger extends org.apache.logging.log4j.spi.ExtendedLoggerWrapper implements io.netty.util.internal.logging.InternalLogger
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: io.netty.util.internal.logging.Log4J2Logger
  super_class: org.apache.logging.log4j.spi.ExtendedLoggerWrapper
{
  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 5485418394879791397

  private static final java.lang.String EXCEPTION_MESSAGE;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "Unexpected exception:"

  private static volatile int[] $SWITCH_TABLE$io$netty$util$internal$logging$InternalLogLevel;
    descriptor: [I
    flags: (0x104a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE, ACC_SYNTHETIC

  void <init>(org.apache.logging.log4j.Logger);
    descriptor: (Lorg/apache/logging/log4j/Logger;)V
    flags: (0x0000) 
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // org.apache.logging.log4j.Logger logger
         0: .line 32
            aload 0 /* this */
            aload 1 /* logger */
            checkcast org.apache.logging.log4j.spi.ExtendedLogger
            aload 1 /* logger */
            invokeinterface org.apache.logging.log4j.Logger.getName:()Ljava/lang/String;
            aload 1 /* logger */
            invokeinterface org.apache.logging.log4j.Logger.getMessageFactory:()Lorg/apache/logging/log4j/message/MessageFactory;
            invokespecial org.apache.logging.log4j.spi.ExtendedLoggerWrapper.<init>:(Lorg/apache/logging/log4j/spi/ExtendedLogger;Ljava/lang/String;Lorg/apache/logging/log4j/message/MessageFactory;)V
         1: .line 33
            return
        end local 1 // org.apache.logging.log4j.Logger logger
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1  logger  Lorg/apache/logging/log4j/Logger;
    MethodParameters:
        Name  Flags
      logger  

  public java.lang.String name();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
         0: .line 37
            aload 0 /* this */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.getName:()Ljava/lang/String;
            areturn
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/util/internal/logging/Log4J2Logger;

  public void trace(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // java.lang.Throwable t
         0: .line 42
            aload 0 /* this */
            getstatic org.apache.logging.log4j.Level.TRACE:Lorg/apache/logging/log4j/Level;
            ldc "Unexpected exception:"
            aload 1 /* t */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.log:(Lorg/apache/logging/log4j/Level;Ljava/lang/String;Ljava/lang/Throwable;)V
         1: .line 43
            return
        end local 1 // java.lang.Throwable t
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1     t  Ljava/lang/Throwable;
    MethodParameters:
      Name  Flags
      t     

  public void debug(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // java.lang.Throwable t
         0: .line 47
            aload 0 /* this */
            getstatic org.apache.logging.log4j.Level.DEBUG:Lorg/apache/logging/log4j/Level;
            ldc "Unexpected exception:"
            aload 1 /* t */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.log:(Lorg/apache/logging/log4j/Level;Ljava/lang/String;Ljava/lang/Throwable;)V
         1: .line 48
            return
        end local 1 // java.lang.Throwable t
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1     t  Ljava/lang/Throwable;
    MethodParameters:
      Name  Flags
      t     

  public void info(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // java.lang.Throwable t
         0: .line 52
            aload 0 /* this */
            getstatic org.apache.logging.log4j.Level.INFO:Lorg/apache/logging/log4j/Level;
            ldc "Unexpected exception:"
            aload 1 /* t */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.log:(Lorg/apache/logging/log4j/Level;Ljava/lang/String;Ljava/lang/Throwable;)V
         1: .line 53
            return
        end local 1 // java.lang.Throwable t
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1     t  Ljava/lang/Throwable;
    MethodParameters:
      Name  Flags
      t     

  public void warn(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // java.lang.Throwable t
         0: .line 57
            aload 0 /* this */
            getstatic org.apache.logging.log4j.Level.WARN:Lorg/apache/logging/log4j/Level;
            ldc "Unexpected exception:"
            aload 1 /* t */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.log:(Lorg/apache/logging/log4j/Level;Ljava/lang/String;Ljava/lang/Throwable;)V
         1: .line 58
            return
        end local 1 // java.lang.Throwable t
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1     t  Ljava/lang/Throwable;
    MethodParameters:
      Name  Flags
      t     

  public void error(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // java.lang.Throwable t
         0: .line 62
            aload 0 /* this */
            getstatic org.apache.logging.log4j.Level.ERROR:Lorg/apache/logging/log4j/Level;
            ldc "Unexpected exception:"
            aload 1 /* t */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.log:(Lorg/apache/logging/log4j/Level;Ljava/lang/String;Ljava/lang/Throwable;)V
         1: .line 63
            return
        end local 1 // java.lang.Throwable t
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1     t  Ljava/lang/Throwable;
    MethodParameters:
      Name  Flags
      t     

  public boolean isEnabled(io.netty.util.internal.logging.InternalLogLevel);
    descriptor: (Lio/netty/util/internal/logging/InternalLogLevel;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // io.netty.util.internal.logging.InternalLogLevel level
         0: .line 67
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* level */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.toLevel:(Lio/netty/util/internal/logging/InternalLogLevel;)Lorg/apache/logging/log4j/Level;
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.isEnabled:(Lorg/apache/logging/log4j/Level;)Z
            ireturn
        end local 1 // io.netty.util.internal.logging.InternalLogLevel level
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    1     1  level  Lio/netty/util/internal/logging/InternalLogLevel;
    MethodParameters:
       Name  Flags
      level  

  public void log(io.netty.util.internal.logging.InternalLogLevel, java.lang.String);
    descriptor: (Lio/netty/util/internal/logging/InternalLogLevel;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // io.netty.util.internal.logging.InternalLogLevel level
        start local 2 // java.lang.String msg
         0: .line 72
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* level */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.toLevel:(Lio/netty/util/internal/logging/InternalLogLevel;)Lorg/apache/logging/log4j/Level;
            aload 2 /* msg */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.log:(Lorg/apache/logging/log4j/Level;Ljava/lang/String;)V
         1: .line 73
            return
        end local 2 // java.lang.String msg
        end local 1 // io.netty.util.internal.logging.InternalLogLevel level
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1  level  Lio/netty/util/internal/logging/InternalLogLevel;
            0    2     2    msg  Ljava/lang/String;
    MethodParameters:
       Name  Flags
      level  
      msg    

  public void log(io.netty.util.internal.logging.InternalLogLevel, java.lang.String, java.lang.Object);
    descriptor: (Lio/netty/util/internal/logging/InternalLogLevel;Ljava/lang/String;Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // io.netty.util.internal.logging.InternalLogLevel level
        start local 2 // java.lang.String format
        start local 3 // java.lang.Object arg
         0: .line 77
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* level */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.toLevel:(Lio/netty/util/internal/logging/InternalLogLevel;)Lorg/apache/logging/log4j/Level;
            aload 2 /* format */
            aload 3 /* arg */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.log:(Lorg/apache/logging/log4j/Level;Ljava/lang/String;Ljava/lang/Object;)V
         1: .line 78
            return
        end local 3 // java.lang.Object arg
        end local 2 // java.lang.String format
        end local 1 // io.netty.util.internal.logging.InternalLogLevel level
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1   level  Lio/netty/util/internal/logging/InternalLogLevel;
            0    2     2  format  Ljava/lang/String;
            0    2     3     arg  Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      level   
      format  
      arg     

  public void log(io.netty.util.internal.logging.InternalLogLevel, java.lang.String, java.lang.Object, java.lang.Object);
    descriptor: (Lio/netty/util/internal/logging/InternalLogLevel;Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=5
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // io.netty.util.internal.logging.InternalLogLevel level
        start local 2 // java.lang.String format
        start local 3 // java.lang.Object argA
        start local 4 // java.lang.Object argB
         0: .line 82
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* level */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.toLevel:(Lio/netty/util/internal/logging/InternalLogLevel;)Lorg/apache/logging/log4j/Level;
            aload 2 /* format */
            aload 3 /* argA */
            aload 4 /* argB */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.log:(Lorg/apache/logging/log4j/Level;Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
         1: .line 83
            return
        end local 4 // java.lang.Object argB
        end local 3 // java.lang.Object argA
        end local 2 // java.lang.String format
        end local 1 // io.netty.util.internal.logging.InternalLogLevel level
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1   level  Lio/netty/util/internal/logging/InternalLogLevel;
            0    2     2  format  Ljava/lang/String;
            0    2     3    argA  Ljava/lang/Object;
            0    2     4    argB  Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      level   
      format  
      argA    
      argB    

  public void log(io.netty.util.internal.logging.InternalLogLevel, java.lang.String, java.lang.Object[]);
    descriptor: (Lio/netty/util/internal/logging/InternalLogLevel;Ljava/lang/String;[Ljava/lang/Object;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // io.netty.util.internal.logging.InternalLogLevel level
        start local 2 // java.lang.String format
        start local 3 // java.lang.Object[] arguments
         0: .line 87
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* level */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.toLevel:(Lio/netty/util/internal/logging/InternalLogLevel;)Lorg/apache/logging/log4j/Level;
            aload 2 /* format */
            aload 3 /* arguments */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.log:(Lorg/apache/logging/log4j/Level;Ljava/lang/String;[Ljava/lang/Object;)V
         1: .line 88
            return
        end local 3 // java.lang.Object[] arguments
        end local 2 // java.lang.String format
        end local 1 // io.netty.util.internal.logging.InternalLogLevel level
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1      level  Lio/netty/util/internal/logging/InternalLogLevel;
            0    2     2     format  Ljava/lang/String;
            0    2     3  arguments  [Ljava/lang/Object;
    MethodParameters:
           Name  Flags
      level      
      format     
      arguments  

  public void log(io.netty.util.internal.logging.InternalLogLevel, java.lang.String, java.lang.Throwable);
    descriptor: (Lio/netty/util/internal/logging/InternalLogLevel;Ljava/lang/String;Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // io.netty.util.internal.logging.InternalLogLevel level
        start local 2 // java.lang.String msg
        start local 3 // java.lang.Throwable t
         0: .line 92
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* level */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.toLevel:(Lio/netty/util/internal/logging/InternalLogLevel;)Lorg/apache/logging/log4j/Level;
            aload 2 /* msg */
            aload 3 /* t */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.log:(Lorg/apache/logging/log4j/Level;Ljava/lang/String;Ljava/lang/Throwable;)V
         1: .line 93
            return
        end local 3 // java.lang.Throwable t
        end local 2 // java.lang.String msg
        end local 1 // io.netty.util.internal.logging.InternalLogLevel level
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1  level  Lio/netty/util/internal/logging/InternalLogLevel;
            0    2     2    msg  Ljava/lang/String;
            0    2     3      t  Ljava/lang/Throwable;
    MethodParameters:
       Name  Flags
      level  
      msg    
      t      

  public void log(io.netty.util.internal.logging.InternalLogLevel, java.lang.Throwable);
    descriptor: (Lio/netty/util/internal/logging/InternalLogLevel;Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // io.netty.util.internal.logging.InternalLogLevel level
        start local 2 // java.lang.Throwable t
         0: .line 97
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* level */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.toLevel:(Lio/netty/util/internal/logging/InternalLogLevel;)Lorg/apache/logging/log4j/Level;
            ldc "Unexpected exception:"
            aload 2 /* t */
            invokevirtual io.netty.util.internal.logging.Log4J2Logger.log:(Lorg/apache/logging/log4j/Level;Ljava/lang/String;Ljava/lang/Throwable;)V
         1: .line 98
            return
        end local 2 // java.lang.Throwable t
        end local 1 // io.netty.util.internal.logging.InternalLogLevel level
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    2     1  level  Lio/netty/util/internal/logging/InternalLogLevel;
            0    2     2      t  Ljava/lang/Throwable;
    MethodParameters:
       Name  Flags
      level  
      t      

  protected org.apache.logging.log4j.Level toLevel(io.netty.util.internal.logging.InternalLogLevel);
    descriptor: (Lio/netty/util/internal/logging/InternalLogLevel;)Lorg/apache/logging/log4j/Level;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.util.internal.logging.Log4J2Logger this
        start local 1 // io.netty.util.internal.logging.InternalLogLevel level
         0: .line 101
            invokestatic io.netty.util.internal.logging.Log4J2Logger.$SWITCH_TABLE$io$netty$util$internal$logging$InternalLogLevel:()[I
            aload 1 /* level */
            invokevirtual io.netty.util.internal.logging.InternalLogLevel.ordinal:()I
            iaload
            tableswitch { // 1 - 5
                    1: 5
                    2: 2
                    3: 1
                    4: 3
                    5: 4
              default: 6
          }
         1: .line 103
      StackMap locals:
      StackMap stack:
            getstatic org.apache.logging.log4j.Level.INFO:Lorg/apache/logging/log4j/Level;
            areturn
         2: .line 105
      StackMap locals:
      StackMap stack:
            getstatic org.apache.logging.log4j.Level.DEBUG:Lorg/apache/logging/log4j/Level;
            areturn
         3: .line 107
      StackMap locals:
      StackMap stack:
            getstatic org.apache.logging.log4j.Level.WARN:Lorg/apache/logging/log4j/Level;
            areturn
         4: .line 109
      StackMap locals:
      StackMap stack:
            getstatic org.apache.logging.log4j.Level.ERROR:Lorg/apache/logging/log4j/Level;
            areturn
         5: .line 111
      StackMap locals:
      StackMap stack:
            getstatic org.apache.logging.log4j.Level.TRACE:Lorg/apache/logging/log4j/Level;
            areturn
         6: .line 113
      StackMap locals:
      StackMap stack:
            new java.lang.Error
            dup
            invokespecial java.lang.Error.<init>:()V
            athrow
        end local 1 // io.netty.util.internal.logging.InternalLogLevel level
        end local 0 // io.netty.util.internal.logging.Log4J2Logger this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Lio/netty/util/internal/logging/Log4J2Logger;
            0    7     1  level  Lio/netty/util/internal/logging/InternalLogLevel;
    MethodParameters:
       Name  Flags
      level  

  static int[] $SWITCH_TABLE$io$netty$util$internal$logging$InternalLogLevel();
    descriptor: ()[I
    flags: (0x1008) ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=3, locals=1, args_size=0
         0: .line 24
            getstatic io.netty.util.internal.logging.Log4J2Logger.$SWITCH_TABLE$io$netty$util$internal$logging$InternalLogLevel:[I
            dup
            ifnull 1
            areturn
      StackMap locals:
      StackMap stack: int[]
         1: pop
            invokestatic io.netty.util.internal.logging.InternalLogLevel.values:()[Lio/netty/util/internal/logging/InternalLogLevel;
            arraylength
            newarray 10
            astore 0
         2: aload 0
            getstatic io.netty.util.internal.logging.InternalLogLevel.DEBUG:Lio/netty/util/internal/logging/InternalLogLevel;
            invokevirtual io.netty.util.internal.logging.InternalLogLevel.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.util.internal.logging.InternalLogLevel.ERROR:Lio/netty/util/internal/logging/InternalLogLevel;
            invokevirtual io.netty.util.internal.logging.InternalLogLevel.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.util.internal.logging.InternalLogLevel.INFO:Lio/netty/util/internal/logging/InternalLogLevel;
            invokevirtual io.netty.util.internal.logging.InternalLogLevel.ordinal:()I
            iconst_3
            iastore
         9: goto 11
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        10: pop
      StackMap locals:
      StackMap stack:
        11: aload 0
            getstatic io.netty.util.internal.logging.InternalLogLevel.TRACE:Lio/netty/util/internal/logging/InternalLogLevel;
            invokevirtual io.netty.util.internal.logging.InternalLogLevel.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.util.internal.logging.InternalLogLevel.WARN:Lio/netty/util/internal/logging/InternalLogLevel;
            invokevirtual io.netty.util.internal.logging.InternalLogLevel.ordinal:()I
            iconst_4
            iastore
        15: goto 17
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        16: pop
      StackMap locals:
      StackMap stack:
        17: aload 0
            dup
            putstatic io.netty.util.internal.logging.Log4J2Logger.$SWITCH_TABLE$io$netty$util$internal$logging$InternalLogLevel:[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: "Log4J2Logger.java"