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.handler.codec.serialization.ClassLoaderClassResolver implements io.netty.handler.codec.serialization.ClassResolver
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: io.netty.handler.codec.serialization.ClassLoaderClassResolver
  super_class: java.lang.Object
{
  private final java.lang.ClassLoader classLoader;
    descriptor: Ljava/lang/ClassLoader;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(java.lang.ClassLoader);
    descriptor: (Ljava/lang/ClassLoader;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.serialization.ClassLoaderClassResolver this
        start local 1 // java.lang.ClassLoader classLoader
         0: .line 22
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 23
            aload 0 /* this */
            aload 1 /* classLoader */
            putfield io.netty.handler.codec.serialization.ClassLoaderClassResolver.classLoader:Ljava/lang/ClassLoader;
         2: .line 24
            return
        end local 1 // java.lang.ClassLoader classLoader
        end local 0 // io.netty.handler.codec.serialization.ClassLoaderClassResolver this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    3     0         this  Lio/netty/handler/codec/serialization/ClassLoaderClassResolver;
            0    3     1  classLoader  Ljava/lang/ClassLoader;
    MethodParameters:
             Name  Flags
      classLoader  

  public java.lang.Class<?> resolve(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/Class;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.serialization.ClassLoaderClassResolver this
        start local 1 // java.lang.String className
         0: .line 29
            aload 0 /* this */
            getfield io.netty.handler.codec.serialization.ClassLoaderClassResolver.classLoader:Ljava/lang/ClassLoader;
            aload 1 /* className */
            invokevirtual java.lang.ClassLoader.loadClass:(Ljava/lang/String;)Ljava/lang/Class;
         1: areturn
         2: .line 30
      StackMap locals:
      StackMap stack: java.lang.ClassNotFoundException
            pop
         3: .line 31
            aload 1 /* className */
            iconst_0
            aload 0 /* this */
            getfield io.netty.handler.codec.serialization.ClassLoaderClassResolver.classLoader:Ljava/lang/ClassLoader;
            invokestatic java.lang.Class.forName:(Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;
            areturn
        end local 1 // java.lang.String className
        end local 0 // io.netty.handler.codec.serialization.ClassLoaderClassResolver this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    4     0       this  Lio/netty/handler/codec/serialization/ClassLoaderClassResolver;
            0    4     1  className  Ljava/lang/String;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.ClassNotFoundException
    Exceptions:
      throws java.lang.ClassNotFoundException
    Signature: (Ljava/lang/String;)Ljava/lang/Class<*>;
    MethodParameters:
           Name  Flags
      className  
}
SourceFile: "ClassLoaderClassResolver.java"