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website/node_modules/@mui/utils/getValidReactChildren/getValidReactChildren.mjs

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+import * as React from 'react';
+
+/**
+ * Gets only the valid children of a component,
+ * and ignores any nullish or falsy child.
+ *
+ * @param children the children
+ */
+export default function getValidReactChildren(children) {
+  return React.Children.toArray(children).filter(child => /*#__PURE__*/React.isValidElement(child));
+}