/** @private is the value an empty array? */
export declare const isEmptyArray: (value?: unknown) => boolean;
/** @private is the given object a Function? */
export declare const isFunction: (obj: unknown) => obj is Function;
/** @private is the given object an Object? */
export declare const isObject: (obj: unknown) => obj is Record<string, unknown>;
/** @private is the given object an integer? */
export declare const isInteger: (obj: unknown) => boolean;
/** @private is the given object a NaN? */
export declare const isNaN: (obj: unknown) => boolean;
/**
 * Deeply get a value from an object via its path.
 */
export declare function getIn(obj: unknown, key: string | string[], def?: unknown, p?: number): unknown;
export declare function setIn(obj: unknown, path: string, value: unknown): unknown;
export declare function clone(value: unknown): unknown;
/** Whether any segment of this path would traverse the prototype chain. */
export declare function pathTraversesPrototype(path: string | string[]): boolean;