question: public ClassifierReference ( QualifiedName qualifiedName , URI uri ) { this . classifierName = qualifiedName . getLastSegment ( ) ; List < String > frontSegments = qualifiedName . getSegments ( ) ; if ( frontSegments . size ( ) > 0 ) { StringJoiner joiner = new StringJoiner ( N4JSQualifiedNameConverter . DELIMITER ) ; for ( String segment : frontSegments . subList ( 0 , frontSegments . size ( ) - 1 ) ) { joiner . add ( segment ) ; } this . classifierModuleSpecifier = joiner . toString ( ) ; } else { this . classifierModuleSpecifier = "" ; } this . uri = uri ; }
target:  Creates a resolved classifier reference. This means a classifier with a valid uri of its declaration.