public Builder mergeFrom(com.google.devtools.cloudtrace.v2.StackTrace other) {
      if (other == com.google.devtools.cloudtrace.v2.StackTrace.getDefaultInstance()) return this;
      if (other.hasStackFrames()) {
        mergeStackFrames(other.getStackFrames());
      }
      if (other.getStackTraceHashId() != 0L) {
        setStackTraceHashId(other.getStackTraceHashId());
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
A call stack appearing in a trace.
</pre>

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