 <div>
            <paper-checkbox noink checked="true" class="feature-checkbox"
                            id="[[_getSpecCheckboxId(specAndList)]]" on-change="_featureSpecCheck">
              [[_getSpecCheckboxText(specAndList)]]
            </paper-checkbox>
          </div>
        </template>
        </div>
      </div>
      <template is="dom-if" if="[[_hasMultipleDatasets(_dataModel)]]">
        <div class="legend-holder">
          <template is="dom-repeat" items="[[_getDatasets(_dataModel)]]" as="