() {
      Polymer({
        is: 'iron-doc-property',

        properties: {
          /**
           * The [Hydrolysis](https://github.com/PolymerLabs/hydrolysis)-generated
           * element descriptor to display details for.
           *
           * Alternatively, the element descriptor can be provided as JSON via the text content
           * of this element.
           *
           * @type {hydrolysis.PropertyDescriptor}
           */
          descriptor: {
            type:     Object,
           