def __init__(self, name, aliases=None, description=None, urls=None):
    """Initializes a data type definition.

    Args:
      name (str): name.
      aliases (Optional[list[str]]): aliases.
      description (Optional[str]): description.
      urls (Optional[list[str]]): URLs.
    """
    super(StructureDefinition, self).__init__(
        name, aliases=aliases, description=description, urls=urls)
    self.family_definition = None
def __init__ ( self , name , aliases = None , description = None , urls = None ) : super ( StructureDefinition , self ) . __init__ ( name , aliases = aliases , description = description , urls = urls ) self . family_definition = None
Initializes a data type definition.

    Args:
      name (str): name.
      aliases (Optional[list[str]]): aliases.
      description (Optional[str]): description.
      urls (Optional[list[str]]): URLs.