(self, sources: List[str])
A list of layer sources (i.e. file paths) can be specified.
         These layers will later be ignored, i.e. not added.
        :param sources: The sources which can be created. If None, all are allowed, if empty list, none is allowed
        :return:
A list of layer sources (i.e. file paths) can be specified.
         These layers will later be ignored, i.e. not added.
        :param sources: The sources which can be created. If None, all are allowed, if empty list, none is allowed
        :return:
A list of layer sources ( i . e . file paths ) can be specified . These layers will later be ignored i . e . not added . : param sources : The sources which can be created . If None all are allowed if empty list none is allowed : return :
def set_allowed_sources(self, sources: List[str]):
        """
        A list of layer sources (i.e. file paths) can be specified.
         These layers will later be ignored, i.e. not added.
        :param sources: The sources which can be created. If None, all are allowed, if empty list, none is allowed
        :return:
        """
        self._allowed_sources = sources
def set_allowed_sources ( self , sources : List [ str ] ) : self . _allowed_sources = sources