Type Alias DeepOptionalUndefined<T>

DeepOptionalUndefined: T extends (...args: unknown[]) => unknown
    ? T
    : T extends (infer U)[]
        ? DeepOptionalUndefined<U>[]
        : T extends readonly (infer U)[]
            ? readonly DeepOptionalUndefined<U>[]
            : T extends Date
                ? T
                : T extends object
                    ? keyof T extends never
                        ? never
                        : DeepOptionalProperties<T> extends Record<never, unknown>
                            ? DeepRequiredProperties<T>
                            : DeepRequiredProperties<T> extends Record<never, unknown>
                                ? DeepOptionalProperties<T>
                                : DeepOptionalProperties<T> & DeepRequiredProperties<T>
                    : T