pre-installations and preparations

node_modules/@mui/base/MultiSelect/MultiSelect.js

@@ -0,0 +1,20 @@
+'use client';
+
+let warnedOnce = false;
+const warn = () => {
+  if (!warnedOnce) {
+    console.error(['Base UI: The MultiSelect component was removed from the library.', '', 'The multi-select functionality is now available in the Select component.', 'Replace <MultiSelect> with <Select multiple /> in your code to remove this error.'].join('\n'));
+    warnedOnce = true;
+  }
+};
+
+/**
+ * The foundation for building custom-styled multi-selection select components.
+ *
+ * @deprecated The multi-select functionality is now available in the Select component. Replace <MultiSelect> with <Select multiple /> in your code.
+ * @ignore - do not document.
+ */
+export function MultiSelect() {
+  warn();
+  return null;
+}