import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.util.LaRequestUtil;
import org.opensearch.action.update.UpdateRequest;
import org.opensearch.script.Script;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.CaseFormat;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;