xmltooling-schemas 1.6.4-1ubuntu2.1 (arm64 binary) in ubuntu bionic

 The XMLTooling library contains generic XML parsing and processing
 classes based on the Xerces-C DOM. It adds more powerful facilities for
 declaring element- and type-specific API and implementation classes, as
 well as signing and encryption support.
 .
 This package contains the XML schema files used by the XMLTooling
 library.