code: function findPropertyMetaInfo(type, property) {
      if (!type) {
          return;
      }
      if (typeof type === 'string') {
          var context = findTypeMetaInfo(type);
      } else {
          var context = type;
          type = type.name;
      }
      if (!context) {
          return;
      }
  
      var info = (context.inputsClass || []).find(i => i.name == property) ||
          (context.outputsClass || []).find(i => i.name == property) ||
          mergeProperties(context).find(i => i.name == property) ||
          (context.methodsClass || context.methods || []).find(i => i.name == property);
      if (info) {
          return {type: context, property: info};
      }
      return findPropertyMetaInfo(context.extends, property);
  }
docs: 在一个类中寻找一个属性，这个方法支持追溯到父类里