export type JoinWords<T extends string[], D extends string | undefined = ""> = T extends [infer First, ...infer Rest] ? First extends string ? Rest extends string[] ? Rest extends [] ? First : `${First}${D extends undefined ? "" : D}${JoinWords<Rest, D>}` : never : never : "";
export declare function joinWords<T extends string[], D extends string | undefined>(words: T, delimiter?: D): JoinWords<T, D>;
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