Adds example of generated method

Author: chalmerlowe

scripts/microgenerator/bigqueryclient.py.j2

@@ -11,7 +11,8 @@ class BigQueryClient:
 
 {% for method in methods %}
     def {{ method.name }}({{ method.args_for_def }}):
-        """A generated method to call the BigQuery API."""
+        """TODO: extract docstring for use here.
+        A generated method to call the BigQuery API."""
 
         if "{{ method.class_name }}" not in self._clients:
             from google.cloud.bigquery_v2 import {{ method.class_name }}
@@ -23,3 +24,18 @@ class BigQueryClient:
         return client.{{ method.name }}(request=request)
 
 {% endfor %}
+
+# ======== An example of the code generated ======
+
+    def get_dataset(self, request, retry, timeout, metadata):
+        """TODO: extract docstring for use here.
+        A generated method to call the BigQuery API."""
+
+        if "DatasetServiceClient" not in self._clients:
+            from google.cloud.bigquery_v2 import DatasetServiceClient
+            self._clients["DatasetServiceClient"] = DatasetServiceClient()
+
+        client = self._clients["DatasetServiceClient"]
+        from google.cloud.bigquery_v2 import types
+        request = types.GetDatasetRequest(request=request, retry=retry, timeout=timeout, metadata=metadata)
+        return client.get_dataset(request=request)