func Open(dialector Dialector, opts ...Option) (db *DB, err error) {
	config := &Config{}

	sort.Slice(opts, func(i, j int) bool {
		_, isConfig := opts[i].(*Config)
		_, isConfig2 := opts[j].(*Config)
		return isConfig && !isConfig2
	})

	if len(opts) > 0 {
		if c, ok := opts[0].(*Config); ok {
			config = c
		} else {
			opts = append([]Option{config}, opts...)
		}
	}

	sconfig.Net.TLS.Config.RootCAs = h.kconfig.TLS.RootCAs

	// These settings are needed to ensure that kafka client doesn't hang on brokers
	// refer https://github.com/IBM/sarama/issues/765#issuecomment-254333355
	sconfig.Producer.Retry.Max = 2
	sconfig.Producer.Retry.Backoff = (10 * time.Second)
	sconfig.Producer.Return.Successes = true
	sconfig.Producer.Return.Errors = true
	sconfig.Producer.RequiredAcks = 1

    @MethodSource("fileSystemConfigurations")
    void testActivatedDefaultProfileBySource(String fsName, Configuration fsConfig, String separator) throws Exception {
        File testPom = getTestFile("src/test/resources/projects/pom-with-profiles/pom.xml");

        try (FileSystem fs = Jimfs.newFileSystem(fsName, fsConfig)) {
            Path path = fs.getPath("projects", "pom-with-profiles", "pom.xml");