export type Identity<T> = T extends object ? {} & {
    [P in keyof T as T[P] extends never ? never : P]: T[P];
} : T;
type IsEmptyObject<T> = T extends Record<string, never> ? (keyof T extends never ? true : false) : false;
export type LastInArray<T, TFallback = never> = T extends [...any[], infer Last] ? Last : TFallback;
export type MaybePromise<T> = T | Promise<T>;
export type AnyFunction<TReturn = any> = (...args: any[]) => TReturn;
type OnlyRequiredProperties<T> = {
    [K in keyof T as Extract<T[K], undefined> extends never ? K : never]: T[K];
};
export type AllPropertiesAreOptional<T> = Record<string, unknown> extends T ? true : IsEmptyObject<OnlyRequiredProperties<T>>;
/**
 * Converts a type to a string if it is a string, otherwise returns never.
 * Specifically useful when using keyof T to produce a union of strings
 * rather than string | number | symbol.
 */
export type AsString<T> = T extends string ? T : never;
export {};