method Static.findFileimport { Static } from "https://deno.land/x/texa@0.8.1/src/middleware/static.ts"; findFile(indexes: Set<string>,vanityExtensions: Set<string>,path: string,throwOnPermissionDenied?: boolean,): Promise<string | void>Attempt to find an existing index within a directory. Parametersindexes: Set<string>The indexes to look for. vanityExtensions: Set<string>The directory to look in. path: stringoptionalthrowOnPermissionDenied: boolean = [UNSUPPORTED]ReturnsPromise<string | void>