presto-session-property-managers/src/main/java/io/prestosql/plugin/session/file/FileSessionPropertyManagerFactory.java/FileSessionPropertyManagerFactory/create
class FileSessionPropertyManagerFactory:    @Override
    public SessionPropertyConfigurationManager create(Map<String, String> config, SessionPropertyConfigurationManagerContext context)
    {
        Bootstrap app = new Bootstrap(
                new JsonModule(),
                new FileSessionPropertyManagerModule());

        Injector injector = app
                .strictConfig()
                .doNotInitializeLogging()
                .setRequiredConfigurationProperties(config)
                .initialize();

        return injector.getInstance(FileSessionPropertyManager.class);
    }