export type Primitives = number | string | boolean | bigint | undefined | symbol;

export type Nullable<T> = T | null | undefined;

export type Cast<X, Y> = X extends Y ? X : Y;

export type MaybePromise<T> = T | Promise<T>;

export type Mutable<T> = { -readonly [K in keyof T]: T[K] };

export type DeepMutable<T> = { -readonly [K in keyof T]: DeepMutable<T[K]> };

export type MaybeMutable<T> = Mutable<T> | Readonly<T>;