/** @ignore */
export declare function isPOJO(obj: unknown): obj is Record<string, unknown>;
/** @ignore */
export declare function isShallowEqual<A, B extends Record<string, unknown>, C extends A | B>(a: A, b: C): boolean;
/** @ignore */
export declare function memoLast<A, B>(fn: (arg: A) => B): (arg: A) => B;