ck-content>
                    </calcite-block>
                    <button slot="footer">Save</button>
                    <button slot="footer">Cancel</button>
                  </calcite-flow-item>
                  <calcite-flow-item heading="Deeper flow item">
                    <calcite-block collapsible open heading="Contextual Content" summary="Select goodness">
                      <calcite-block-content>
                        <calcite-block-section text="Cool things">
                        