/**
 * List the property values of a given object.
 * @param source Input object.
 *
 * @returns A new array containing the values of the input object's properties.
 */
export declare function values(source: object): unknown[];
/**
 * List the keys of a given object.
 * @param source Input object.
 *
 * @returns A new array indicating the keys of an object.
 */
export declare function keys(source: object): unknown[];
/**
 * Convert an object into stringified form.
 * @param source Input object.
 *
 * @returns A string which is stringified version of input object.
 */
export declare function stringify(source: object): string;
/**
 * Deep merges two given objects.
 * @param source Input object1.
 * @param target Input object2.
 *
 * @returns An Object obtained by deep merging two given objects.
 */
export declare function deepMerge(source: object, target: object): object;
/**
 * Deeply flattens an object.
 * @param source The object to flatten.
 *
 * @returns The flattened object.
 */
export declare function deepFlatten(source: object): object;
/**
 * Remove a property on an object.
 * @param source The object containing the property to remove.
 * @param property The name of the property to remove.
 *
 * @returns A new object with the specified property removed.
 */
export declare function remove(source: {
    [key: string]: unknown;
}, property: string): object;
/**
 * Perform a deep comparison between two values to determine if they are equivalent.
 * @param value The value to compare.
 * @param compareValue The other value to compare.
 *
 * @returns True if the values are equivalent. False otherwise.
 *
 */
export declare function isEqual<T>(value: T, compareValue: T): boolean;
/**
 * Check if an object contains a property or deeply nested property.
 * @param value The object to search.
 * @param path The JSONata property path of the values to search.
 *
 * @returns True if the property exists. False otherwise.
 *
 */
export declare function hasBy<T>(value: T, path: string): Promise<boolean>;
/**
 * Create an object composed of the picked properties.
 * @param value The source object.
 * @param properties The name or names of the properties to pick
 *
 * @returns A new object containing the picked properties.
 *
 */
export declare function pick<T>(value: T, properties: string | string[]): Partial<T>;
/**
 * Extract the value of a property or deeply nested property of an object.
 * @param value The source object.
 * @param path The JSONata property path of the values to search
 *
 * @returns The value of the plucked property.
 *
 */
export declare function pluckBy<T>(value: T, path: string): Promise<Partial<T>>;