@@ -190,7 +190,7 @@ public PublisherStub getStub() {
190190 * }
191191 * </code></pre>
192192 *
193- * @param name The name of the topic. It must have the format
193+ * @param name Required. The name of the topic. It must have the format
194194 * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter, and contain only
195195 * letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores (`_`), periods (`.`),
196196 * tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 and 255 characters in
@@ -217,7 +217,7 @@ public final Topic createTopic(ProjectTopicName name) {
217217 * }
218218 * </code></pre>
219219 *
220- * @param name The name of the topic. It must have the format
220+ * @param name Required. The name of the topic. It must have the format
221221 * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter, and contain only
222222 * letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores (`_`), periods (`.`),
223223 * tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 and 255 characters in
@@ -345,9 +345,9 @@ public final UnaryCallable<UpdateTopicRequest, Topic> updateTopicCallable() {
345345 * }
346346 * </code></pre>
347347 *
348- * @param topic The messages in the request will be published on this topic. Format is
348+ * @param topic Required. The messages in the request will be published on this topic. Format is
349349 * `projects/{project}/topics/{topic}`.
350- * @param messages The messages to publish.
350+ * @param messages Required. The messages to publish.
351351 * @throws com.google.api.gax.rpc.ApiException if the remote call fails
352352 */
353353 /* package-private */ final PublishResponse publish (
@@ -378,9 +378,9 @@ public final UnaryCallable<UpdateTopicRequest, Topic> updateTopicCallable() {
378378 * }
379379 * </code></pre>
380380 *
381- * @param topic The messages in the request will be published on this topic. Format is
381+ * @param topic Required. The messages in the request will be published on this topic. Format is
382382 * `projects/{project}/topics/{topic}`.
383- * @param messages The messages to publish.
383+ * @param messages Required. The messages to publish.
384384 * @throws com.google.api.gax.rpc.ApiException if the remote call fails
385385 */
386386 /* package-private */ final PublishResponse publish (String topic , List <PubsubMessage > messages ) {
@@ -459,7 +459,8 @@ public final UnaryCallable<UpdateTopicRequest, Topic> updateTopicCallable() {
459459 * }
460460 * </code></pre>
461461 *
462- * @param topic The name of the topic to get. Format is `projects/{project}/topics/{topic}`.
462+ * @param topic Required. The name of the topic to get. Format is
463+ * `projects/{project}/topics/{topic}`.
463464 * @throws com.google.api.gax.rpc.ApiException if the remote call fails
464465 */
465466 public final Topic getTopic (ProjectTopicName topic ) {
@@ -481,7 +482,8 @@ public final Topic getTopic(ProjectTopicName topic) {
481482 * }
482483 * </code></pre>
483484 *
484- * @param topic The name of the topic to get. Format is `projects/{project}/topics/{topic}`.
485+ * @param topic Required. The name of the topic to get. Format is
486+ * `projects/{project}/topics/{topic}`.
485487 * @throws com.google.api.gax.rpc.ApiException if the remote call fails
486488 */
487489 public final Topic getTopic (String topic ) {
@@ -549,7 +551,7 @@ public final UnaryCallable<GetTopicRequest, Topic> getTopicCallable() {
549551 * }
550552 * </code></pre>
551553 *
552- * @param project The name of the project in which to list topics. Format is
554+ * @param project Required. The name of the project in which to list topics. Format is
553555 * `projects/{project-id}`.
554556 * @throws com.google.api.gax.rpc.ApiException if the remote call fails
555557 */
@@ -576,7 +578,7 @@ public final ListTopicsPagedResponse listTopics(ProjectName project) {
576578 * }
577579 * </code></pre>
578580 *
579- * @param project The name of the project in which to list topics. Format is
581+ * @param project Required. The name of the project in which to list topics. Format is
580582 * `projects/{project-id}`.
581583 * @throws com.google.api.gax.rpc.ApiException if the remote call fails
582584 */
@@ -680,7 +682,7 @@ public final UnaryCallable<ListTopicsRequest, ListTopicsResponse> listTopicsCall
680682 * }
681683 * </code></pre>
682684 *
683- * @param topic The name of the topic that subscriptions are attached to. Format is
685+ * @param topic Required. The name of the topic that subscriptions are attached to. Format is
684686 * `projects/{project}/topics/{topic}`.
685687 * @throws com.google.api.gax.rpc.ApiException if the remote call fails
686688 */
@@ -707,7 +709,7 @@ public final ListTopicSubscriptionsPagedResponse listTopicSubscriptions(ProjectT
707709 * }
708710 * </code></pre>
709711 *
710- * @param topic The name of the topic that subscriptions are attached to. Format is
712+ * @param topic Required. The name of the topic that subscriptions are attached to. Format is
711713 * `projects/{project}/topics/{topic}`.
712714 * @throws com.google.api.gax.rpc.ApiException if the remote call fails
713715 */
@@ -816,7 +818,8 @@ public final ListTopicSubscriptionsPagedResponse listTopicSubscriptions(
816818 * }
817819 * </code></pre>
818820 *
819- * @param topic Name of the topic to delete. Format is `projects/{project}/topics/{topic}`.
821+ * @param topic Required. Name of the topic to delete. Format is
822+ * `projects/{project}/topics/{topic}`.
820823 * @throws com.google.api.gax.rpc.ApiException if the remote call fails
821824 */
822825 public final void deleteTopic (ProjectTopicName topic ) {
@@ -841,7 +844,8 @@ public final void deleteTopic(ProjectTopicName topic) {
841844 * }
842845 * </code></pre>
843846 *
844- * @param topic Name of the topic to delete. Format is `projects/{project}/topics/{topic}`.
847+ * @param topic Required. Name of the topic to delete. Format is
848+ * `projects/{project}/topics/{topic}`.
845849 * @throws com.google.api.gax.rpc.ApiException if the remote call fails
846850 */
847851 public final void deleteTopic (String topic ) {
@@ -904,6 +908,8 @@ public final UnaryCallable<DeleteTopicRequest, Empty> deleteTopicCallable() {
904908 /**
905909 * Sets the access control policy on the specified resource. Replaces any existing policy.
906910 *
911+ * <p>Can return Public Errors: NOT_FOUND, INVALID_ARGUMENT and PERMISSION_DENIED
912+ *
907913 * <p>Sample code:
908914 *
909915 * <pre><code>
@@ -931,6 +937,8 @@ public final Policy setIamPolicy(String resource, Policy policy) {
931937 /**
932938 * Sets the access control policy on the specified resource. Replaces any existing policy.
933939 *
940+ * <p>Can return Public Errors: NOT_FOUND, INVALID_ARGUMENT and PERMISSION_DENIED
941+ *
934942 * <p>Sample code:
935943 *
936944 * <pre><code>
@@ -956,6 +964,8 @@ public final Policy setIamPolicy(SetIamPolicyRequest request) {
956964 /**
957965 * Sets the access control policy on the specified resource. Replaces any existing policy.
958966 *
967+ * <p>Can return Public Errors: NOT_FOUND, INVALID_ARGUMENT and PERMISSION_DENIED
968+ *
959969 * <p>Sample code:
960970 *
961971 * <pre><code>
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