def default_privileges_list(
        name,
        object_type,
        prepend='public',
        maintenance_db=None,
        user=None,
        host=None,
        port=None,
        password=None,
        runas=None):
    '''
    .. versionadded:: 2019.0.0

    Return a list of default privileges for the specified object.

    CLI Example:

    .. code-block:: bash

        salt '*' postgres.default_privileges_list table_name table maintenance_db=db_name

    name
       Name of the object for which the permissions should be returned

    object_type
       The object type, which can be one of the following:

       - table
       - sequence
       - schema
       - group
       - function

    prepend
        Table and Sequence object types live under a schema so this should be
        provided if the object is not under the default `public` schema

    maintenance_db
        The database to connect to

    user
        database username if different from config or default

    password
        user password if any password for a specified user

    host
        Database host if different from config or default

    port
        Database port if different from config or default

    runas
        System user all operations should be performed on behalf of
    '''
    object_type = object_type.lower()
    query = _make_default_privileges_list_query(name, object_type, prepend)

    if object_type not in _DEFAULT_PRIVILEGES_OBJECTS:
        raise SaltInvocationError(
            'Invalid object_type: {0} provided'.format(object_type))

    rows = psql_query(
        query,
        runas=runas,
        host=host,
        user=user,
        port=port,
        maintenance_db=maintenance_db,
        password=password)

    ret = {}

    for row in rows:
        if object_type != 'group':
            result = row['name']
            result = result.strip('{}')
            parts = result.split(',')
            for part in parts:
                perms_part, _ = part.split('/')
                rolename, defperms = perms_part.split('=')
                if rolename == '':
                    rolename = 'public'
                _tmp = _process_defpriv_part(defperms)
                ret[rolename] = _tmp
        else:
            if row['admin_option'] == 't':
                admin_option = True
            else:
                admin_option = False

            ret[row['rolname']] = admin_option

    return ret