/** * https://tc39.es/ecma402/#sec-getstringorbooleanoption * @param opts * @param prop * @param values * @param trueValue * @param falsyValue * @param fallback */ export declare function GetStringOrBooleanOption(opts: T, prop: K, values: T[K][] | undefined, trueValue: T[K] | boolean, falsyValue: T[K] | boolean, fallback: T[K] | boolean): T[K] | boolean;