/**
* Returns the value of the path or
* undefined if the path can't be resolved
*/
export declare function getValue(data: any, path: string): any;
/**
 * This class allows to set or get specific
 * values within a json data structure using
 * string-based paths
 */
export declare function setValue(root: any, path: string, value: any): void;
/**
 * Returns true if the path is safe to use with getValue / setValue.
 * Rejects paths containing __proto__, constructor, or prototype tokens
 * that would otherwise allow prototype-chain traversal.
 */
export declare function isValidPath(path: string): boolean;