import { Primitive } from './types';
export declare const isUndefined: (val: unknown) => val is undefined;
export declare const isNullOrUndefined: (value: unknown) => value is null | undefined;
export declare const isObjectType: (value: unknown) => boolean;
export declare const isDateObject: (value: unknown) => value is Date;
export declare const isObject: <T extends object>(value: unknown) => value is T;
export declare const compact: <TValue>(value: TValue[]) => TValue[];
export declare const stringToPath: (input: string) => string[];
export declare const isPrimitive: (value: unknown) => value is Primitive;