private static void populateAttributes(
     org.wso2.siddhi.query.api.definition.StreamDefinition streamDefinition,
     List<Attribute> attributes,
     String prefix) {
   if (attributes != null) {
     for (Attribute attribute : attributes) {
       org.wso2.siddhi.query.api.definition.Attribute siddhiAttribute =
           EventProcessorUtil.convertToSiddhiAttribute(attribute, prefix);
       streamDefinition.attribute(siddhiAttribute.getName(), siddhiAttribute.getType());
     }
   }
 }