type Identity<T, Args extends Array<any>> = (...args: Args) => T;
type Singleton<T> = T extends Array<any> ? T[0] : T;
type Identities<T, Args extends Array<any>> = {
    [K in keyof T]: Identity<T[K], Args>;
};
type IdentityRecords<T, Args extends Array<any>, Features> = {
    [K in keyof T]: Record<string, Features extends 'nullable' ? Identity<Singleton<T[K]>, Args> | null : Identity<Singleton<T[K]>, Args>>;
};
export type PartialBy<T, K extends keyof T> = Omit<T, K> & Partial<Pick<T, K>>;
export type IdentityBy<T, K extends keyof T, ARGS extends Array<any>> = Omit<T, K> & Identities<Pick<T, K>, ARGS>;
type IdentityFeatures = 'nullable' | '';
export type IdentityRecordBy<T, K extends keyof T, Args extends Array<any>, Features extends IdentityFeatures = ''> = Omit<T, K> & IdentityRecords<Pick<T, K>, Args, Features>;
export {};