diff --git a/samples/api-reference-doc-snippets/app-profile.js b/samples/api-reference-doc-snippets/app-profile.js
index ba129a18b..907899531 100644
--- a/samples/api-reference-doc-snippets/app-profile.js
+++ b/samples/api-reference-doc-snippets/app-profile.js
@@ -50,6 +50,7 @@ const snippets = {
 
     const request = {
       name: `projects/${projectId}/instances/${instanceId}/appProfiles/${appProfileId}`,
+      // ignoreWarnings: true, // uncomment this line to ignore warnings
     };
 
     instanceAdminClient
diff --git a/samples/api-reference-doc-snippets/backups.create.js b/samples/api-reference-doc-snippets/backups.create.js
index de21133dc..9cc1dd5fe 100644
--- a/samples/api-reference-doc-snippets/backups.create.js
+++ b/samples/api-reference-doc-snippets/backups.create.js
@@ -32,12 +32,19 @@ async function main(
     // const backupId = 'YOUR_BACKUP_ID';
     const projectId = await tableAdminClient.getProjectId();
 
+    const seconds = Math.floor(
+      new Date(Date.now() + 7 * 60 * 60 * 1000).getTime() / 1000,
+      // 7 hours from now
+    );
     const request = {
       parent: `projects/${projectId}/instances/${instanceId}/clusters/${clusterId}`,
       backupId: backupId,
       backup: {
         sourceTable: `projects/${projectId}/instances/${instanceId}/tables/${tableId}`,
-        expireTime: new Date(Date.now() + 7 * 60 * 60 * 1000), // 7 hours from now
+        expireTime: {
+          seconds,
+          nanos: 0,
+        },
       },
     };
 
diff --git a/samples/api-reference-doc-snippets/backups.update.js b/samples/api-reference-doc-snippets/backups.update.js
index bc0ee80ad..617062a2c 100644
--- a/samples/api-reference-doc-snippets/backups.update.js
+++ b/samples/api-reference-doc-snippets/backups.update.js
@@ -30,10 +30,17 @@ async function main(
     // const backupId = 'YOUR_BACKUP_ID';
     const projectId = await tableAdminClient.getProjectId();
 
+    const seconds = Math.floor(
+      new Date(Date.now() + 7 * 60 * 60 * 1000).getTime() / 1000,
+      // 7 hours from now
+    );
     const request = {
       backup: {
         name: `projects/${projectId}/instances/${instanceId}/clusters/${clusterId}/backups/${backupId}`,
-        expireTime: new Date(Date.now() + 24 * 60 * 60 * 1000), // 24 hours
+        expireTime: {
+          seconds,
+          nanos: 0,
+        },
       },
       updateMask: {
         paths: ['expire_time'],
diff --git a/samples/api-reference-doc-snippets/family.js b/samples/api-reference-doc-snippets/family.js
index 91f5a652a..e405fc2cc 100644
--- a/samples/api-reference-doc-snippets/family.js
+++ b/samples/api-reference-doc-snippets/family.js
@@ -112,8 +112,8 @@ const snippets = {
   },
   setMetadata: async (instanceId, tableId, familyId) => {
     // [START bigtable_api_set_family_meta]
-    const {BigtableTableAdminClient, GCRuleMaker} =
-      require('@google-cloud/bigtable').v2;
+    const {GCRuleMaker} = require('@google-cloud/bigtable');
+    const {BigtableTableAdminClient} = require('@google-cloud/bigtable').v2;
     const adminClient = new BigtableTableAdminClient();
     const projectId = await adminClient.getProjectId();
 
diff --git a/samples/api-reference-doc-snippets/instance.js b/samples/api-reference-doc-snippets/instance.js
index e4cc187f1..1752b9e6c 100644
--- a/samples/api-reference-doc-snippets/instance.js
+++ b/samples/api-reference-doc-snippets/instance.js
@@ -37,8 +37,10 @@ const snippets = {
     };
 
     // creates a new Instance
-    const [newInstance, operation] =
+    const [operation, newInstance] =
       await instanceAdminClient.createInstance(options);
+    await operation.promise();
+    console.log(`Created Instance: ${newInstance.name}`);
     // let operations = result[1];
     // let apiResponse = result[2];
     // [END bigtable_api_create_instance]
diff --git a/samples/api-reference-doc-snippets/table.js b/samples/api-reference-doc-snippets/table.js
index 10e70161f..823c05e1d 100644
--- a/samples/api-reference-doc-snippets/table.js
+++ b/samples/api-reference-doc-snippets/table.js
@@ -468,11 +468,11 @@ const snippets = {
       let isConsistent = false;
       while (!isConsistent) {
         // 2. Check for consistency
-        const [consistent] = adminClient.checkConsistency({
+        const consistent = await adminClient.checkConsistency({
           name: `projects/${projectId}/instances/${instanceId}/tables/${tableId}`,
           consistencyToken: token,
         });
-        isConsistent = consistent;
+        isConsistent = consistent[0].consistent;
 
         if (isConsistent) {
           console.log('Data is consistent!');
diff --git a/samples/instances.js b/samples/instances.js
index 5d317eb1a..2a8b3ab37 100644
--- a/samples/instances.js
+++ b/samples/instances.js
@@ -60,7 +60,7 @@ async function runInstanceOperations(instanceID, clusterID) {
     };
 
     // Create production instance with given options
-    const [prodInstance, operation] =
+    const [operation, prodInstance] =
       await instanceAdminClient.createInstance(instanceOptions);
     await operation.promise();
     console.log(`Created Instance: ${prodInstance.name}`);
@@ -136,18 +136,17 @@ async function createDevInstance(instanceID, clusterID) {
       labels: {'dev-label': 'dev-label'},
       type: 'DEVELOPMENT',
     },
-    clusters: [
-      {
-        id: clusterID,
+    clusters: {
+      [clusterID]: {
         location: `projects/${projectId}/locations/us-central1-f`,
-        serveNodes: 1,
+        // serveNodes: 1 // This cannot be specified for development instances
         defaultStorageType: 'HDD',
       },
-    ],
+    },
   };
 
   // Create development instance with given options
-  const [instance, operation] =
+  const [operation, instance] =
     await instanceAdminClient.createInstance(options);
   await operation.promise();
   console.log(`Created development instance: ${instance.name}`);
@@ -203,7 +202,7 @@ async function addCluster(instanceID, clusterID) {
       },
     };
 
-    const [cluster, operation] =
+    const [operation, cluster] =
       await instanceAdminClient.createCluster(clusterOptions);
     await operation.promise();
     console.log(`Cluster created: ${cluster.name}`);
diff --git a/src/index.ts b/src/index.ts
index fddb52150..8b217c9cb 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -39,6 +39,7 @@ import {
 import {google} from '../protos/protos';
 import {ServiceError} from 'google-gax';
 import * as v2 from './v2';
+import {GCRuleMaker} from './gc-rule-maker';
 import {PassThrough, Duplex} from 'stream';
 import grpcGcpModule = require('grpc-gcp');
 import {ClusterUtils} from './utils/cluster';
@@ -1138,6 +1139,7 @@ module.exports = Bigtable;
 module.exports.v2 = v2;
 module.exports.Bigtable = Bigtable;
 module.exports.SqlTypes = SqlTypes;
+module.exports.GCRuleMaker = GCRuleMaker;
 
 export {v2};
 export {protos};
@@ -1363,5 +1365,5 @@ export {
   WaitForReplicationCallback,
   WaitForReplicationResponse,
 } from './table';
-export {GCRuleMaker} from './gc-rule-maker';
+export {GCRuleMaker};
 export {SqlTypes};