{
  "input": {
    "placeholder": true,
    "value": {
      "type=button|submit": true
    }
  },
  "any-elements": {
    "title": true,
    "aria-label": "$",
    "aria-valuetext": "$"
  },
  "paper-input": {
    "label": true,
    "error-message": true,
    "placeholder": true
  },
  "paper-textarea": {
    "label": true,
    "error-message": true,
    "placeholder": true
  },
  "paper-dropdown-menu": {
    "label": true
  },
  "paper-toast": {
    "text": true
  },
  "paper-badge": {
    "label": true
  },
  "google-chart": {
    "options": true,
    "cols": true,
    "rows": true,
    "data": true
  },
  "google-signin": {
    "label-signin": true,
    "label-signout": true,
    "label-additional": true
  },
  "platinum-push-messaging": {
    "title": true,
    "message": true
  },
  "json-data": {
    "any-attributes": true
  },
  "text-attribute-element": {
    "custom-text-attr2": true,
    "custom-text-attr4": "$",
    "custom-text-attr5": "$",
    "i18n-target": {
      "": true,
      "boolean-attr": {
        "!boolean-attr2": {
          "empty-attr": {
            "string-attr=abc|def": "type1"
          }
        },
        "boolean-attr2": {
          "string-attr=aaa": true
        },
        "": "type4"
      },
      "string-attr=aaa": {
        "string-attr2=bbb": "type3"
      }
    },
    "i18n-target2": {
      "boolean-attr": {
        "!boolean-attr2": {
          "empty-attr": {
            "string-attr=abc|def": "type1"
          }
        },
        "boolean-attr2": {
          "string-attr=aaa": "type2"
        },
        "": true
      },
      "string-attr=aaa": {
        "string-attr2=bbb": "type3"
      },
      "": "type5"
    },
    "i18n-target3": {
      "string-attr=aaa": "type1",
      "": true
    },
    "i18n-target4": {
      "": true,
      "string-attr=aaa": "type1"
    },
    "i18n-target5": "type1",
    "i18n-target6": {
      "": "type5",
      "boolean-attr": {
        "": true,
        "boolean-attr2": {
          "": "type1",
          "string-attr=aaa": "type2"
        }
      }
    },
    "i18n-target7": {
      "string-attr=aaa": "type1",
      "invalid!attr=aaa": "typeX"
    },
    "custom-text-attr1": true,
    "custom-text-attr3": true
  }
}