The identifier of the conceptual namespace in which the object exists, within the
identification scheme.
Returns the part to the left of the first ::' separator, if any, or else the whole string.

Declaration :

• Uml : + root() : UID
• C++ : public: UID root()
• Java : public UID root()

Optional local identifier of the object within
the context of the root identifier.
Returns the part to the right of the first ::'
separator if any, or else any empty String.

Declaration :

• Uml : + extension() : String
• C++ : public: string extension()
• Java : public String extension()

True if extension /= Void

Declaration :

• Uml : + has_extension() : Boolean
• C++ : public: bool has_extension()
• Java : public boolean has_extension()