Web APITypesType AliasesRequireOnlyOneOn this pageType Alias: RequireOnlyOne<T, Keys> RequireOnlyOne<T, Keys>: Pick<T, Exclude<keyof T, Keys>> & { [K in Keys]-?: Required<Pick<T, K>> & Partial<Record<Exclude<Keys, K>, undefined>> }[Keys] Type Parameters • T • Keys extends keyof T = keyof T