'Info dictionary associated with the object, allowing user-defined
data to be associated with this :class:`.MapperProperty`.
The dictionary is generated when first accessed.  Alternatively,
it can be specified as a constructor argument to the
:func:`.column_property`, :func:`.relationship`, or :func:`.composite`
functions.
.. versionadded:: 0.8  Added support for .info to all
:class:`.MapperProperty` subclasses.
.. seealso::
:attr:`.QueryableAttribute.info`
:attr:`.SchemaItem.info`'

@util.memoized_property
def info(self):

    return {}
