public void configure(Map<String, ?> configs) {
        allowedPaths = new AllowedPaths((String) configs.getOrDefault(ALLOWED_PATHS_CONFIG, null));
    }
An implementation of {@link ConfigProvider} that represents a Properties file.
All property keys and values are stored as cleartext.
clients/src/main/java/org/apache/kafka/common/config/provider/FileConfigProvider.java