https://openjdk.java.net/ 
public interface java.security.PrivilegedAction<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: java.security.PrivilegedAction
  super_class: java.lang.Object
{
  public abstract T run();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()TT;
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "PrivilegedAction.java"