@java.lang.Override
    public long getLineNumber() {
      return lineNumber_;
    }
<pre>
The line number in `file_name` where the function call appears.
</pre>

<code>int64 line_number = 4;</code>

@return The lineNumber.
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/StackTrace.java