@java.lang.Override
    public com.google.devtools.cloudtrace.v2.StackTrace.StackFrame getDefaultInstanceForType() {
      return DEFAULT_INSTANCE;
    }
<pre>
The version of the deployed source code (up to 128 bytes).
</pre>

<code>.google.devtools.cloudtrace.v2.TruncatableString source_version = 7;</code>
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/StackTrace.java