public Builder clearTargetProject() {
      bitField0_ = (bitField0_ & ~0x00000002);
      targetProject_ = null;
      if (targetProjectBuilder_ != null) {
        targetProjectBuilder_.dispose();
        targetProjectBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Required. The update request body.
</pre>

<code>
.google.cloud.vmmigration.v1.TargetProject target_project = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/UpdateTargetProjectRequest.java