How to use the azure-mgmt-servicebus.azure.mgmt.servicebus.models.PremiumMessagingRegionsPaged function in azure-mgmt-servicebus

if custom_headers:
                header_parameters.update(custom_headers)
            if self.config.accept_language is not None:
                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

            # Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                raise models.ErrorResponseException(self._deserialize, response)

            return response

        # Deserialize response
        deserialized = models.PremiumMessagingRegionsPaged(internal_paging, self._deserialize.dependencies)

        if raw:
            header_dict = {}
            client_raw_response = models.PremiumMessagingRegionsPaged(internal_paging, self._deserialize.dependencies, header_dict)
            return client_raw_response

        return deserialized
    list_by_sku.metadata = {'url': '/subscriptions/{subscriptionId}/providers/Microsoft.ServiceBus/sku/{sku}/regions'}

# Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                raise models.ErrorResponseException(self._deserialize, response)

            return response

        # Deserialize response
        deserialized = models.PremiumMessagingRegionsPaged(internal_paging, self._deserialize.dependencies)

        if raw:
            header_dict = {}
            client_raw_response = models.PremiumMessagingRegionsPaged(internal_paging, self._deserialize.dependencies, header_dict)
            return client_raw_response

        return deserialized
    list_by_sku.metadata = {'url': '/subscriptions/{subscriptionId}/providers/Microsoft.ServiceBus/sku/{sku}/regions'}