feat: [monitoring-dashboards] Add support for pie charts, incident lists, dropdown groups, error reporting panels, section headers, and styling options on text widgets (#10355)

* feat: Add support for pie charts, incident lists, dropdown groups, error reporting panels, section headers, and styling options on text widgets
docs: updated some comments

PiperOrigin-RevId: 605410874

Source-Link: googleapis/googleapis@8aa8817

Source-Link: https://github.com/googleapis/googleapis-gen/commit/6782599ff384fd1851b9ae270536d130ecb5ee7a
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* 🦉 Updates from OwlBot post-processor

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

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java-monitoring-dashboards/google-cloud-monitoring-dashboard/src/main/java/com/google/cloud/monitoring/dashboard/v1/DashboardsServiceClient.java

@@ -11,16 +11,16 @@
           "libraryClient": "DashboardsServiceClient",
           "rpcs": {
             "CreateDashboard": {
-              "methods": ["createDashboard", "createDashboardCallable"]
+              "methods": ["createDashboard", "createDashboard", "createDashboard", "createDashboardCallable"]
             },
             "DeleteDashboard": {
-              "methods": ["deleteDashboard", "deleteDashboardCallable"]
+              "methods": ["deleteDashboard", "deleteDashboard", "deleteDashboard", "deleteDashboardCallable"]
             },
             "GetDashboard": {
-              "methods": ["getDashboard", "getDashboardCallable"]
+              "methods": ["getDashboard", "getDashboard", "getDashboard", "getDashboardCallable"]
             },
             "ListDashboards": {
-              "methods": ["listDashboards", "listDashboardsPagedCallable", "listDashboardsCallable"]
+              "methods": ["listDashboards", "listDashboards", "listDashboards", "listDashboardsPagedCallable", "listDashboardsCallable"]
             },
             "UpdateDashboard": {
               "methods": ["updateDashboard", "updateDashboardCallable"]

java-monitoring-dashboards/google-cloud-monitoring-dashboard/src/main/java/com/google/cloud/monitoring/dashboard/v1/gapic_metadata.json

@@ -33,13 +33,9 @@
  * // - It may require specifying regional endpoints when creating the service client as shown in
  * // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
  * try (DashboardsServiceClient dashboardsServiceClient = DashboardsServiceClient.create()) {
- *   CreateDashboardRequest request =
- *       CreateDashboardRequest.newBuilder()
- *           .setParent("parent-995424086")
- *           .setDashboard(Dashboard.newBuilder().build())
- *           .setValidateOnly(true)
- *           .build();
- *   Dashboard response = dashboardsServiceClient.createDashboard(request);
+ *   ProjectName parent = ProjectName.of("[PROJECT]");
+ *   Dashboard dashboard = Dashboard.newBuilder().build();
+ *   Dashboard response = dashboardsServiceClient.createDashboard(parent, dashboard);
  * }
  * }</pre>
  */