/**
 Lookup a structure file (ex: SUMMARY.md, GLOSSARY.md) in a book. Uses
 book's config to find it.

 @param {Book} book
 @param {string} type: one of ["glossary", "readme", "summary", "langs"]
 @return {Promise<File | Undefined>} The path of the file found, relative
 to the book content root.
 */
declare function lookupStructureFile(book: any, type: any): any;
export default lookupStructureFile;
//# sourceMappingURL=lookupStructureFile.d.ts.map