21 module 
com {  module sun {  module star {  module uno {
 
base interface of all UNO interfaces
Definition XInterface.idl:46
void release()
decreases the reference counter by one.
any queryInterface([in] type aType)
queries for a new interface to an existing UNO object.
void acquire()
increases the reference counter by one.
Definition Ambiguous.idl:20