public final int getNumber() {
      if (index == -1) {
        throw new java.lang.IllegalArgumentException(
            "Can't get the number of an unknown enum value.");
      }
      return value;
    }
<pre>
The URL scheme of one or more of the supplied URLs is not supported.
</pre>

<code>UNSUPPORTED_URL_SCHEME = 42;</code>
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1/src/main/java/com/google/cloud/websecurityscanner/v1/ScanConfigError.java