export type addQuestionMarksToNullableProperties<T> = {
[K in OptionalKeys<T>]?: T[K];
} & Pick<T, RequiredKeys<T>>;
export type OptionalKeys<T> = {
[K in keyof T]-?: undefined extends T[K] ? K : never;
}[keyof T];
export type RequiredKeys<T> = Exclude<keyof T, OptionalKeys<T>>;