/**
* https://tc39.es/ecma402/#sec-getoption
* @param opts
* @param prop
* @param type
* @param values
* @param fallback
*/
export declare function GetOption<
	T extends object,
	K extends keyof T,
	F
>(opts: T, prop: K, type: "string" | "boolean", values: readonly T[K][] | undefined, fallback: F): Exclude<T[K], undefined> | F;