readDirectory
abstract fun readDirectory(path: String, extensions: ReadonlyArray<String> = definedExternally, exclude: ReadonlyArray<String> = definedExternally, include: ReadonlyArray<String> = definedExternally, depth: Double = definedExternally): ReadonlyArray<String>(source)
Used to generate source file names from the config file and its include, exclude, files rules and also to cache the directory stucture