private com.google.protobuf.RepeatedFieldBuilderV3<
              com.google.cloud.workflows.executions.v1.Execution.StackTraceElement,
              com.google.cloud.workflows.executions.v1.Execution.StackTraceElement.Builder,
              com.google.cloud.workflows.executions.v1.Execution.StackTraceElementOrBuilder>
          getElementsFieldBuilder() {
        if (elementsBuilder_ == null) {
          elementsBuilder_ =
              new com.google.protobuf.RepeatedFieldBuilderV3<
                  com.google.cloud.workflows.executions.v1.Execution.StackTraceElement,
                  com.google.cloud.workflows.executions.v1.Execution.StackTraceElement.Builder,
                  com.google.cloud.workflows.executions.v1.Execution.StackTraceElementOrBuilder>(
                  elements_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
          elements_ = null;
        }
        return elementsBuilder_;
      }
<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