public int getParameterNamesCount() {
    return parameterNames_.size();
  }
<pre>
The vulnerable parameter names.
</pre>

<code>repeated string parameter_names = 1;</code>

@return The count of parameterNames.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1beta/src/main/java/com/google/cloud/websecurityscanner/v1beta/VulnerableParameters.java