Update API doc

Author: GitHub Actions Bot

apps/showcase/doc/common/apidoc/index.json

@@ -7119,6 +7119,38 @@
                             "type": "boolean",
                             "default": "false",
                             "description": "Current highlighted state of the indicator as a boolean."
+                        },
+                        {
+                            "name": "index",
+                            "optional": false,
+                            "readonly": false,
+                            "type": "number",
+                            "default": "",
+                            "description": "Index of the item as a number."
+                        },
+                        {
+                            "name": "active",
+                            "optional": false,
+                            "readonly": false,
+                            "type": "boolean",
+                            "default": "false",
+                            "description": "Current active state of the item as a boolean."
+                        },
+                        {
+                            "name": "start",
+                            "optional": false,
+                            "readonly": false,
+                            "type": "boolean",
+                            "default": "false",
+                            "description": "Current start state of the item as a boolean."
+                        },
+                        {
+                            "name": "end",
+                            "optional": false,
+                            "readonly": false,
+                            "type": "boolean",
+                            "default": "false",
+                            "description": "Current end state of the item as a boolean."
                         }
                     ],
                     "methods": []