code: def fk_onupdate_is_reflected(self):
      def go(config):
          if exclusions.against(config, "mssql"):
              return not sqla_compat.sqla_14_26
          else:
              return False
  
      return self.fk_onupdate + exclusions.fails_if(go)
  
imports: from sqlalchemy import exc
  from sqlalchemy import Index
  from sqlalchemy import text
  from alembic.testing import exclusions
  from alembic.testing.requirements import SuiteRequirements
  from alembic.util import compat
  from alembic.util import sqla_compat
label_desc: Use image node_id 18 for calling the DefaultRequirements obj's underlying member method code with example usage: obj.fk_onupdate_is_reflected() and returns: unknown, unknown, False