http://www.jboss.org/undertow-parent/undertow-core: Undertow (JBoss by Red Hat) 
public interface io.undertow.util.ObjectPool<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: io.undertow.util.ObjectPool
  super_class: java.lang.Object
{
  public abstract io.undertow.util.PooledObject<T> allocate();
    descriptor: ()Lio/undertow/util/PooledObject;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Lio/undertow/util/PooledObject<TT;>;
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "ObjectPool.java"