code: def apply_annotation(self, annotation):
          
  
          vs = self.copy()
          vs._merge_si(annotation.region_id, annotation.region_base_addr, annotation.offset)
          return vs
docs: Apply a new annotation onto self, and return a new ValueSet object.
  
          :param RegionAnnotation annotation: The annotation to apply.
          :return: A new ValueSet object
          :rtype: ValueSet