private static void collectMessageParameters(final Map<Object, Object> messagePayload,
                                                 final MessageSanitizer messageSanitizer,
                                                 final Map parameters) {
        parameters.forEach((key, value) -> messagePayload.put(key, messageSanitizer.sanitize(value.toString())));
    }
Build google cloud appender.

@param name           the name
@param projectId      the project id
@param flattenMessage the flatten message
@param appenderRef    the appender ref
@param filter         the filter
@param config         the config
@return the google cloud appender
support/cas-server-support-gcp-logging/src/main/java/org/apereo/cas/logging/GoogleCloudAppender.java