{
  "title": "cover-view",
  "type": "object",
  "properties": {
    "scroll-top": {
      "type": [
        "number",
        "string"
      ],
      "description": "设置顶部滚动偏移量，仅在设置了 overflow-y: scroll 成为滚动元素后生效"
    },
    "aria-role": {
      "type": "string",
      "description": "无障碍访问，（角色）标识元素的作用"
    },
    "aria-label": {
      "type": "string",
      "description": "无障碍访问，（属性）元素的额外描述"
    }
  },
  "additionalProperties": false
}