{
  "Root": "op:CT_Properties",
  "Name": "CustomFilePropertiesPart",
  "Base": "OpenXmlPart",
  "ContentType": "application/vnd.openxmlformats-officedocument.custom-properties\u002Bxml",
  "RelationshipType": "http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties",
  "Target": "custom",
  "RootElement": "Properties",
  "Paths": {
    "General": "docProps"
  }
}