text: import sqlalchemy as sa
  from sqlalchemy import MetaData
  from sqlalchemy.ext.declarative import declarative_base
  
  # from fxpkg.util import DirectDict
  metadata = MetaData()
  # Base = declarative_base(metadata=metadata, cls=DirectDict)
  Base = declarative_base(metadata=metadata)
  
  __all__ = ['metadata', 'Base']