code: protected KieBase getKnowledgeBase(String name, String modifier) throws StrategyException {
          KnowledgeBaseAsset kbrs = DroolsKnowledgeBaseCache.getKnowledgeBaseAsset(name, modifier, null, getClassLoader());
  
          if (kbrs == null) {
              return null;
          }
          else {
              return kbrs.getKnowledgeBase();
          }
      }
docs: Returns the latest version.
  
  Modifier is sheet name.
  
  Override to apply additional or non-standard attribute conditions.
  @throws StrategyException