apsible open heading="Primary Content" summary="This is the primary.">
                    <calcite-block-content>
                      <calcite-action
                        text="horizontal ActionPad"
                        text-enabled
                        id="action-pad-button"
                        indicator
                        icon="caret-square-right"
                      >
                      </calcite-action>
                      <calcite-action
                        text="Vertica