@Override
    public ConfigData get(String path) {
        return get(path, Files::isRegularFile);
    }
Retrieves the data contained in regular files in the directory given by {@code path}.
Non-regular files (such as directories) in the given directory are silently ignored.
@param path the directory where data files reside.
@return the configuration data.
clients/src/main/java/org/apache/kafka/common/config/provider/DirectoryConfigProvider.java