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node_modules/next/dist/shared/lib/page-path/remove-page-path-tail.d.ts

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+/**
+ * Removes the file extension for a page and the trailing `index` if it exists
+ * making sure to not return an empty string. The page head is not touched
+ * and returned as it is passed. Examples:
+ *   - `/foo/bar/baz/index.js` -> `/foo/bar/baz`
+ *   - `/foo/bar/baz.js` -> `/foo/bar/baz`
+ *
+ * @param pagePath A page to a page file (absolute or relative)
+ * @param options.extensions Extensions allowed for the page.
+ * @param options.keepIndex When true the trailing `index` is _not_ removed.
+ */
+export declare function removePagePathTail(pagePath: string, options: {
+    extensions: ReadonlyArray<string>;
+    keepIndex?: boolean;
+}): string;