code: public Namer getManyToOneNamer(Attribute fromAttribute, Namer targetEntityNamer) {
          // configuration
          Namer result = getManyToOneNamerFromConf(fromAttribute.getColumnConfig(), targetEntityNamer);
  
          // fall back
          if (result == null) {
              result = getXToOneNamerFallBack(fromAttribute, targetEntityNamer);
          }
  
          return result;
      }
docs: Compute the appropriate namer for the Java field marked by @ManyToOne
  
  @param fromAttribute     the column that is the foreign key.
  @param targetEntityNamer the default namer for the entity on the other side of the relation.