export declare class ObjectHelper {
    /**
     * Get object property value by its deep path using jsPath predicate.
     * @param object the object containg the property path
     * @param path the property path to get
     * @param delimiter if multiple matches are found, specifiy the delimiter character to use to separate values in the returned string
     * @returns the property value as string if found, "undefined" otherwise
     */
    static byPath(object: any, path: string, delimiter?: string): string;
    static setPropertyByPath(object: any, path: string, value: unknown): any;
    /**
     * Returns the property with original type according to the provided object path
     * @param object the source object
     * @param path the property path
     * @returns
     */
    static getPropertyByPath(object: any, path: string): any;
    /**
 * Flatten object properties
 * Example: input = { "a":{ "b":{ "b2":2 }, "c":{ "c2":2, "c3":3 } } }
 * Result: { a.b.b2: 2, a.c.c2: 2, a.c.c3: 3 }
 * Reference: https://gist.github.com/penguinboy/762197
 * @param object the object to flatten
 * @param prefix the prefix to use
 */
    static flatten(object: any, prefix?: string): any;
}