public com.google.cloud.workflows.executions.v1.Execution.StackTraceElementOrBuilder
          getElementsOrBuilder(int index) {
        if (elementsBuilder_ == null) {
          return elements_.get(index);
        } else {
          return elementsBuilder_.getMessageOrBuilder(index);
        }
      }
<pre>
An array of stack elements.
</pre>

<code>
repeated .google.cloud.workflows.executions.v1.Execution.StackTraceElement elements = 1;
</code>
java-workflow-executions/proto-google-cloud-workflow-executions-v1/src/main/java/com/google/cloud/workflows/executions/v1/Execution.java