old_contents: """Optional support for sqlalchemy.sql dynamic query generation."""
  
  from .engine import create_engine, dialect
  from .connection import SAConnection
  from .exc import (Error, ArgumentError, InvalidRequestError,
                    NoSuchColumnError, ResourceClosedError)
  
  
  __all__ = ('dialect', 'create_engine', 'SAConnection', 'Error',
             'ArgumentError', 'InvalidRequestError', 'NoSuchColumnError',
             'ResourceClosedError')
  
  
  (SAConnection, Error, ArgumentError, InvalidRequestError,
   NoSuchColumnError, ResourceClosedError, create_engine, dialect)
  
new_contents: """Optional support for sqlalchemy.sql dynamic query generation."""
  
  from .engine import create_engine, dialect, Engine
  from .connection import SAConnection
  from .exc import (Error, ArgumentError, InvalidRequestError,
                    NoSuchColumnError, ResourceClosedError)
  
  
  __all__ = ('dialect', 'create_engine', 'SAConnection', 'Error',
             'ArgumentError', 'InvalidRequestError', 'NoSuchColumnError',
             'ResourceClosedError', 'Engine')
  
  
  (SAConnection, Error, ArgumentError, InvalidRequestError,
   NoSuchColumnError, ResourceClosedError, create_engine, dialect, Engine)
  
subject: Make Engine public importable name