core/src/main/java/com/opentext/ia/sdk/support/xml/XmlUtil.java
public static Element getFirstChildElement(Element parent, String... childNames) {
    return firstOf(namedElementsIn(parent, childNames));
  }
public static Element getFirstChildElement(Element parent, String... childNames) {
    return firstOf(namedElementsIn(parent, childNames));
  }
Return the first child element of a given parent element whose tag matches any of the given names. When no child
names are given, the first child element is returned.
@param parent The parent of the element to return
@param childNames The acceptable names of the children
@return The first child element that matches any of the names