ation and all state-aware elements.
           * This property is initialized when element is attached.
           */
          state: {
            type: Object
          },

          /**
           * Path to element state in the application state tree.
           */
          statePath: {
            type: String
          },

          stateAware: {
            type: Boolean,
            value: true,
            reflectToAttribute: true
          },

          /**
           * Application-level object t