<?xml version="1.0" encoding="UTF-8"?>
<schema
  targetNamespace="http://schemas.cubewerx.com/namespaces/owsExtensions"
  xmlns="http://www.w3.org/2001/XMLSchema"
  xmlns:oe="http://schemas.cubewerx.com/namespaces/owsExtensions"
  elementFormDefault="qualified"
  version="1.0.0">

  <!--
    This is a copy of the element of the same name from the CSW 2.0.2
    specification with the exception that sub-elements and attributes that
    are required in the CSW 2.0.2 specification are made optional here.
  -->

  <element name="Acknowledgement" type="oe:AcknowledgementType"
    id="Acknowledgement"/>
  <complexType name="AcknowledgementType" id="AcknowledgementType">
    <sequence>
      <element name="EchoedRequest" type="oe:EchoedRequestType" minOccurs="0"/>
      <element name="RequestId" type="anyURI" minOccurs="0"/>
    </sequence>
    <attribute name="timeStamp" type="dateTime"/>
  </complexType>
  <complexType name="EchoedRequestType" id="EchoedRequestType">
    <sequence>
      <any namespace="##any" processContents="lax"/>
    </sequence>
  </complexType>

</schema>
