export declare function isArray(value: unknown): value is any[];
export declare function isBoolean(value: unknown): value is boolean;
export declare function isEmptyArray(array: any[]): boolean;
export declare function isEmptyObject(object: Object): boolean;
export declare function isEmptyString(string: string): boolean;
export declare function isObject(value: unknown): value is Record<string | number | symbol, unknown>;
export declare function isString(value: unknown): value is string;