docs: def clear_allocated_time(self):
          """Clears the allocated time.
  
          raise:  NoAccess - ``Metadata.isRequired()`` or
                  ``Metadata.isReadOnly()`` is ``true``
          *compliance: mandatory -- This method must be implemented.*
  
          """
          # Implemented from template for osid.assessment.AssessmentOfferedForm.clear_duration_template
          if (self.get_allocated_time_metadata().is_read_only() or
                  self.get_allocated_time_metadata().is_required()):
              raise errors.NoAccess()
          self._my_map['allocatedTime'] = self._allocated_time_default