code: package it.unibz.inf.ontop.iq.tools;
  
  import com.google.common.collect.ImmutableBiMap;
  import it.unibz.inf.ontop.model.term.DBConstant;
  import it.unibz.inf.ontop.model.term.RDFTermTypeConstant;
  
  import java.util.Collection;
  
  public interface TypeConstantDictionary {
      DBConstant convert(RDFTermTypeConstant termTypeConstant);
  
      RDFTermTypeConstant convert(DBConstant constant);
  
      ImmutableBiMap<DBConstant, RDFTermTypeConstant> createConversionMap(Collection<RDFTermTypeConstant> termTypeConstants);
  }
  