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ts-toolbelt

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TypeScript's largest utility library

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/** * @hidden */ export declare type _RequiredKeys<O extends object> = { [K in keyof O]-?: {} extends Pick<O, K> ? never : K; }[keyof O]; /** * Get the keys of `O` that are required * @param O * @returns [[Key]] * @example * ```ts * ``` */ export declare type RequiredKeys<O extends object> = O extends unknown ? _RequiredKeys<O> : never;