/usr/include/xercesc/dom/deprecated/ is in libxerces-c2-dev 2.8.0+deb1-2build3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/xercesc/dom/deprecated/DOM.hpp
/usr/include/xercesc/dom/deprecated/DOMParser.hpp
/usr/include/xercesc/dom/deprecated/DOMString.hpp
/usr/include/xercesc/dom/deprecated/DOM_Attr.hpp
/usr/include/xercesc/dom/deprecated/DOM_CDATASection.hpp
/usr/include/xercesc/dom/deprecated/DOM_CharacterData.hpp
/usr/include/xercesc/dom/deprecated/DOM_Comment.hpp
/usr/include/xercesc/dom/deprecated/DOM_DOMException.hpp
/usr/include/xercesc/dom/deprecated/DOM_DOMImplementation.hpp
/usr/include/xercesc/dom/deprecated/DOM_Document.hpp
/usr/include/xercesc/dom/deprecated/DOM_DocumentFragment.hpp
/usr/include/xercesc/dom/deprecated/DOM_DocumentType.hpp
/usr/include/xercesc/dom/deprecated/DOM_Element.hpp
/usr/include/xercesc/dom/deprecated/DOM_Entity.hpp
/usr/include/xercesc/dom/deprecated/DOM_EntityReference.hpp
/usr/include/xercesc/dom/deprecated/DOM_NamedNodeMap.hpp
/usr/include/xercesc/dom/deprecated/DOM_Node.hpp
/usr/include/xercesc/dom/deprecated/DOM_NodeFilter.hpp
/usr/include/xercesc/dom/deprecated/DOM_NodeIterator.hpp
/usr/include/xercesc/dom/deprecated/DOM_NodeList.hpp
/usr/include/xercesc/dom/deprecated/DOM_Notation.hpp
/usr/include/xercesc/dom/deprecated/DOM_ProcessingInstruction.hpp
/usr/include/xercesc/dom/deprecated/DOM_Range.hpp
/usr/include/xercesc/dom/deprecated/DOM_RangeException.hpp
/usr/include/xercesc/dom/deprecated/DOM_Text.hpp
/usr/include/xercesc/dom/deprecated/DOM_TreeWalker.hpp
/usr/include/xercesc/dom/deprecated/DOM_XMLDecl.hpp
/usr/include/xercesc/dom/deprecated/DomMemDebug.hpp