public Object lookup(Class role, String roleHint, ClassRealm realm)
     throws ComponentLookupException {
   return componentLookupManager.lookup(role, roleHint, realm);
 }
 public Object lookup(String role, String roleHint) throws ComponentLookupException {
   return componentLookupManager.lookup(role, roleHint, getLookupRealm());
 }
 public Object lookup(Class componentClass, ClassRealm realm) throws ComponentLookupException {
   return componentLookupManager.lookup(componentClass, realm);
 }
 public Object lookup(String componentKey, ClassRealm realm) throws ComponentLookupException {
   return componentLookupManager.lookup(componentKey, realm);
 }