code: static Overrider getOverride(AbstractXmlInputOutputHandler inputHandler) {
          AssertUtils.assertNotNull(inputHandler);
  
          Overrider result = null;
  
          if (xmlOverrideMap.containsKey(inputHandler.getName()) == false) {
              throw new MjdbcRuntimeException("Failed to find query by name: " + inputHandler.getName() + ". Please ensure that relevant file was loaded into repository");
          }
  
          result = xmlOverrideMap.get(inputHandler.getName());
  
          return result;
      }
docs: Package private function used by {@link XmlInputOutputHandler} to retrieve query string from repository
  
  @param inputHandler Xml input/output handler
  @return override values (if present)
  @throws MjdbcRuntimeException if query name wasn't loaded to repository