The fully-qualified URIs that point to your data in Google Cloud
        Storage. Each URI can contain one '*' wildcard character and it must
        come after the 'bucket' name.

        Wildcarded destinationUris in GCSQueryTarget might not be resolved
        correctly and result in incomplete data. If a GCSQueryTarget is used to
        pass wildcarded destinationUris be sure to overwrite this property to
        suppress the warning.

def destination_uris(self):
        """
        The fully-qualified URIs that point to your data in Google Cloud
        Storage. Each URI can contain one '*' wildcard character and it must
        come after the 'bucket' name.

        Wildcarded destinationUris in GCSQueryTarget might not be resolved
        correctly and result in incomplete data. If a GCSQueryTarget is used to
        pass wildcarded destinationUris be sure to overwrite this property to
        suppress the warning.
        """
        return [x.path for x in luigi.task.flatten(self.output())]