Load a second or subsequent schema file to an XML DAS that has already
been created with the static method create().
Although the file may be any valid schema file, a likely reason for
using this method is to add a schema file containing definitions of
extra complex types, hence the name. See Example 4 of the parent document
for an example.
Path to XSD Schema file.
None if successful, otherwise throws an exception as described below.
Thrown if a type is not defined in the underlying model.
Thrown for any problems while parsing the given XSD File.
Thrown if the specified file cannot be found.