    {}

    {
      "show": {
        "effect": "slideDown"
      },
      "hide": {
        "effect": "slideUp"
      }
    }

    {
      "show": {
        "effect": "explode"
      },
      "hide": {
        "effect": "explode"
      }
    }

    {
      "show": {
        "effect": "bounce"
      },
      "hide": {
        "effect": "blind"
      }
    }

    {
      "show": {
        "effect": "drop",
        "direction": "right"
      },
      "hide": {
        "effect": "drop",
        "direction": "right"
      }
    }