@java.lang.Override
    @SuppressWarnings({"unused"})
    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
      return new StackTraceElement();
    }
<pre>
A single stack element (frame) where an error occurred.
</pre>

Protobuf type {@code google.cloud.workflows.executions.v1.Execution.StackTraceElement}
java-workflow-executions/proto-google-cloud-workflow-executions-v1/src/main/java/com/google/cloud/workflows/executions/v1/Execution.java