https://github.com/cglib/cglib/cglib: cglib is a powerful, high performance and quality Code Generation Library, It is used to extend JAVA classes and implements interfaces at runtime. 
class net.sf.cglib.transform.AbstractClassLoader$1 implements java.security.PrivilegedAction
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: net.sf.cglib.transform.AbstractClassLoader$1
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // net.sf.cglib.transform.AbstractClassLoader$1 this
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // net.sf.cglib.transform.AbstractClassLoader$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lnet/sf/cglib/transform/AbstractClassLoader$1;

  public java.lang.Object run();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // net.sf.cglib.transform.AbstractClassLoader$1 this
         0: .line 38
            ldc Lnet/sf/cglib/transform/AbstractClassLoader;
            invokevirtual java.lang.Class.getProtectionDomain:()Ljava/security/ProtectionDomain;
            areturn
        end local 0 // net.sf.cglib.transform.AbstractClassLoader$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lnet/sf/cglib/transform/AbstractClassLoader$1;
}
SourceFile: "AbstractClassLoader.java"
EnclosingMethod: net.sf.cglib.transform.AbstractClassLoader
NestHost: net.sf.cglib.transform.AbstractClassLoader
InnerClasses:
  net.sf.cglib.transform.AbstractClassLoader$1