diff --git a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyName.java b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyName.java
index bc836f51..b0b09719 100644
--- a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyName.java
+++ b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/AutoscalingPolicyName.java
@@ -311,9 +311,9 @@ private Builder(AutoscalingPolicyName autoscalingPolicyName) {
       Preconditions.checkArgument(
           Objects.equals(autoscalingPolicyName.pathTemplate, PROJECT_LOCATION_AUTOSCALING_POLICY),
           "toBuilder is only supported when AutoscalingPolicyName has the pattern of projects/{project}/locations/{location}/autoscalingPolicies/{autoscaling_policy}");
-      project = autoscalingPolicyName.project;
-      location = autoscalingPolicyName.location;
-      autoscalingPolicy = autoscalingPolicyName.autoscalingPolicy;
+      this.project = autoscalingPolicyName.project;
+      this.location = autoscalingPolicyName.location;
+      this.autoscalingPolicy = autoscalingPolicyName.autoscalingPolicy;
     }
 
     public AutoscalingPolicyName build() {
diff --git a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/ClusterName.java b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/ClusterName.java
index 322bc06f..03c92db9 100644
--- a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/ClusterName.java
+++ b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/ClusterName.java
@@ -211,9 +211,9 @@ public Builder setCluster(String cluster) {
     }
 
     private Builder(ClusterName clusterName) {
-      project = clusterName.project;
-      location = clusterName.location;
-      cluster = clusterName.cluster;
+      this.project = clusterName.project;
+      this.location = clusterName.location;
+      this.cluster = clusterName.cluster;
     }
 
     public ClusterName build() {
diff --git a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/LocationName.java b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/LocationName.java
index 5f2c086f..3539c904 100644
--- a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/LocationName.java
+++ b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/LocationName.java
@@ -181,8 +181,8 @@ public Builder setLocation(String location) {
     }
 
     private Builder(LocationName locationName) {
-      project = locationName.project;
-      location = locationName.location;
+      this.project = locationName.project;
+      this.location = locationName.location;
     }
 
     public LocationName build() {
diff --git a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/RegionName.java b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/RegionName.java
index eed9dfd4..f73d1f21 100644
--- a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/RegionName.java
+++ b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/RegionName.java
@@ -180,8 +180,8 @@ public Builder setRegion(String region) {
     }
 
     private Builder(RegionName regionName) {
-      project = regionName.project;
-      region = regionName.region;
+      this.project = regionName.project;
+      this.region = regionName.region;
     }
 
     public RegionName build() {
diff --git a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/ServiceName.java b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/ServiceName.java
index e5853518..4d878f85 100644
--- a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/ServiceName.java
+++ b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/ServiceName.java
@@ -211,9 +211,9 @@ public Builder setService(String service) {
     }
 
     private Builder(ServiceName serviceName) {
-      project = serviceName.project;
-      location = serviceName.location;
-      service = serviceName.service;
+      this.project = serviceName.project;
+      this.location = serviceName.location;
+      this.service = serviceName.service;
     }
 
     public ServiceName build() {
diff --git a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateName.java b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateName.java
index 96e8c16d..6bbd109d 100644
--- a/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateName.java
+++ b/proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/WorkflowTemplateName.java
@@ -308,9 +308,9 @@ private Builder(WorkflowTemplateName workflowTemplateName) {
       Preconditions.checkArgument(
           Objects.equals(workflowTemplateName.pathTemplate, PROJECT_REGION_WORKFLOW_TEMPLATE),
           "toBuilder is only supported when WorkflowTemplateName has the pattern of projects/{project}/regions/{region}/workflowTemplates/{workflow_template}");
-      project = workflowTemplateName.project;
-      region = workflowTemplateName.region;
-      workflowTemplate = workflowTemplateName.workflowTemplate;
+      this.project = workflowTemplateName.project;
+      this.region = workflowTemplateName.region;
+      this.workflowTemplate = workflowTemplateName.workflowTemplate;
     }
 
     public WorkflowTemplateName build() {
diff --git a/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/AutoscalingPolicyName.java b/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/AutoscalingPolicyName.java
index 55a5265e..26b3a3ab 100644
--- a/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/AutoscalingPolicyName.java
+++ b/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/AutoscalingPolicyName.java
@@ -311,9 +311,9 @@ private Builder(AutoscalingPolicyName autoscalingPolicyName) {
       Preconditions.checkArgument(
           Objects.equals(autoscalingPolicyName.pathTemplate, PROJECT_LOCATION_AUTOSCALING_POLICY),
           "toBuilder is only supported when AutoscalingPolicyName has the pattern of projects/{project}/locations/{location}/autoscalingPolicies/{autoscaling_policy}");
-      project = autoscalingPolicyName.project;
-      location = autoscalingPolicyName.location;
-      autoscalingPolicy = autoscalingPolicyName.autoscalingPolicy;
+      this.project = autoscalingPolicyName.project;
+      this.location = autoscalingPolicyName.location;
+      this.autoscalingPolicy = autoscalingPolicyName.autoscalingPolicy;
     }
 
     public AutoscalingPolicyName build() {
diff --git a/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/ClusterName.java b/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/ClusterName.java
index 88016ac9..5fc405cc 100644
--- a/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/ClusterName.java
+++ b/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/ClusterName.java
@@ -211,9 +211,9 @@ public Builder setCluster(String cluster) {
     }
 
     private Builder(ClusterName clusterName) {
-      project = clusterName.project;
-      location = clusterName.location;
-      cluster = clusterName.cluster;
+      this.project = clusterName.project;
+      this.location = clusterName.location;
+      this.cluster = clusterName.cluster;
     }
 
     public ClusterName build() {
diff --git a/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/LocationName.java b/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/LocationName.java
index 5f3f1944..76109225 100644
--- a/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/LocationName.java
+++ b/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/LocationName.java
@@ -181,8 +181,8 @@ public Builder setLocation(String location) {
     }
 
     private Builder(LocationName locationName) {
-      project = locationName.project;
-      location = locationName.location;
+      this.project = locationName.project;
+      this.location = locationName.location;
     }
 
     public LocationName build() {
diff --git a/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/RegionName.java b/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/RegionName.java
index 93f6954d..902c0aa5 100644
--- a/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/RegionName.java
+++ b/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/RegionName.java
@@ -180,8 +180,8 @@ public Builder setRegion(String region) {
     }
 
     private Builder(RegionName regionName) {
-      project = regionName.project;
-      region = regionName.region;
+      this.project = regionName.project;
+      this.region = regionName.region;
     }
 
     public RegionName build() {
diff --git a/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/WorkflowTemplateName.java b/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/WorkflowTemplateName.java
index 16ed07be..85a19f71 100644
--- a/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/WorkflowTemplateName.java
+++ b/proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/WorkflowTemplateName.java
@@ -308,9 +308,9 @@ private Builder(WorkflowTemplateName workflowTemplateName) {
       Preconditions.checkArgument(
           Objects.equals(workflowTemplateName.pathTemplate, PROJECT_REGION_WORKFLOW_TEMPLATE),
           "toBuilder is only supported when WorkflowTemplateName has the pattern of projects/{project}/regions/{region}/workflowTemplates/{workflow_template}");
-      project = workflowTemplateName.project;
-      region = workflowTemplateName.region;
-      workflowTemplate = workflowTemplateName.workflowTemplate;
+      this.project = workflowTemplateName.project;
+      this.region = workflowTemplateName.region;
+      this.workflowTemplate = workflowTemplateName.workflowTemplate;
     }
 
     public WorkflowTemplateName build() {