def METHOD_NAME(self, schema: str) -> str:
    """
    > [...] code using prior versions of cerberus would not break, but bring up wrong results!
    > Rename keyschema to valueschema in your schemas. (0.9)
    > Rename propertyschema to keyschema in your schemas. (1.0)
    https://docs.python-cerberus.org/en/stable/upgrading.html
    """
    if self.cerberus_version >= (0, 9):
        schema = schema.replace('"keyschema"', '"valueschema"')
    if self.cerberus_version >= (1, 0):
        schema = schema.replace('"propertyschema"', '"keyschema"')
    return schema