A container for all extensions present in the document.
|UBLExtensions Constructor||Default constructor.|
|UBLExtensions Copy Constructor||Copy constructor. (Only C++)|
|UBLExtensionList||0..n||A single extension for private use.|
|Operator=||Overloading of Assignment Operator. (Only C++)|
Public static members of this type are safe for multithreaded operations. Instance members are not guaranteed to be thread-safe.