import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.stream.StreamUtil;
import org.codelibs.fess.Constants;
import org.dbflute.optional.OptionalThing;

public class FieldConfigs {

    private final Map<String, String> params;

    public FieldConfigs(final Map<String, String> params) {
        this.params = params;
    }

    public OptionalThing<Config> getConfig(final String fieldName) {

        assertTrue(fieldConfigs.getConfig("test").isEmpty());
        assertTrue(fieldConfigs.getConfig("foo").map(FieldConfigs.Config::isCache).orElse(false));
        assertFalse(fieldConfigs.getConfig("foo").map(FieldConfigs.Config::isOverwrite).orElse(false));
    }

    public void test_cache() {
        final Map<String, String> params = Maps.of("foo", "cache");

    }

    default Map<String, Object> processFieldConfigs(final Map<String, Object> dataMap, final FieldConfigs fieldConfigs) {
        final Map<String, Object> newDataMap = new LinkedHashMap<>();
        for (final Map.Entry<String, Object> e : dataMap.entrySet()) {
            if (fieldConfigs.getConfig(e.getKey()).map(FieldConfigs.Config::isOverwrite).orElse(false)