http://www.jboss.org/undertow-parent/undertow-servlet: Undertow (JBoss by Red Hat) 
public interface io.undertow.servlet.ServletExtension
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: io.undertow.servlet.ServletExtension
  super_class: java.lang.Object
{
  public abstract void handleDeployment(io.undertow.servlet.api.DeploymentInfo, javax.servlet.ServletContext);
    descriptor: (Lio/undertow/servlet/api/DeploymentInfo;Ljavax/servlet/ServletContext;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
                Name  Flags
      deploymentInfo  final
      servletContext  final
}
SourceFile: "ServletExtension.java"