@java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        if (frameBuilder_ == null) {
          frame_ = java.util.Collections.emptyList();
        } else {
          frame_ = null;
          frameBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000001);
        droppedFramesCount_ = 0;
        return this;
      }
<pre>
A collection of stack frames, which can be truncated.
</pre>

Protobuf type {@code google.devtools.cloudtrace.v2.StackTrace.StackFrames}
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/StackTrace.java