public Builder setFrame(
          int index,
          com.google.devtools.cloudtrace.v2.StackTrace.StackFrame.Builder builderForValue) {
        if (frameBuilder_ == null) {
          ensureFrameIsMutable();
          frame_.set(index, builderForValue.build());
          onChanged();
        } else {
          frameBuilder_.setMessage(index, builderForValue.build());
        }
        return this;
      }
<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