public Builder clearApplicationInstances() {
      if (applicationInstancesBuilder_ == null) {
        applicationInstances_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000002);
        onChanged();
      } else {
        applicationInstancesBuilder_.clear();
      }
      return this;
    }
<code>
repeated .google.cloud.visionai.v1.UpdateApplicationInstancesRequest.UpdateApplicationInstance application_instances = 2;
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/UpdateApplicationInstancesRequest.java