https://openjdk.java.net/ 
public interface javax.management.remote.JMXAuthenticator
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: javax.management.remote.JMXAuthenticator
  super_class: java.lang.Object
{
  public abstract javax.security.auth.Subject authenticate(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Ljavax/security/auth/Subject;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
             Name  Flags
      credentials  
}
SourceFile: "JMXAuthenticator.java"