public java.util.List<
              ? extends com.google.devtools.cloudtrace.v2.StackTrace.StackFrameOrBuilder>
          getFrameOrBuilderList() {
        if (frameBuilder_ != null) {
          return frameBuilder_.getMessageOrBuilderList();
        } else {
          return java.util.Collections.unmodifiableList(frame_);
        }
      }
<pre>
Stack frames in this call stack.
</pre>

<code>repeated .google.devtools.cloudtrace.v2.StackTrace.StackFrame frame = 1;</code>
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/StackTrace.java