code: public static void setESInnerTypeReferences(String type,Class<?> refs){
  		Map<String,ESClass> typeRefs = innerHitTypeLocalsByType.get();
  		if(typeRefs == null) {
  			typeRefs = new HashMap<String, ESClass>();
  			innerHitTypeLocalsByType.set(typeRefs);
  		}
  		typeRefs.put(type,new ESClassType(refs));
  
  	}
docs: 设置父子查询，子的类型信息和orm class对象
  @param type
  @param refs