/*!
 * https://github.com/Starcounter-Jack/JSON-Patch
 * (c) 2017-2022 Joachim Wester
 * MIT licensed
 */
export declare function hasOwnProperty(obj: any, key: any): any;
export declare function _objectKeys(obj: any): any[];
/**
* Deeply clone the object.
* https://jsperf.com/deep-copy-vs-json-stringify-json-parse/25 (recursiveDeepCopy)
* @param  {any} obj value to clone
* @return {any} cloned obj
*/
export declare function _deepClone(obj: any): any;
export declare function isInteger(str: string): boolean;
/**
* Escapes a json pointer path
* @param path The raw pointer
* @return the Escaped path
*/
export declare function escapePathComponent(path: string): string;
/**
 * Unescapes a json pointer path
 * @param path The escaped pointer
 * @return The unescaped path
 */
export declare function unescapePathComponent(path: string): string;
export declare function _getPathRecursive(root: Object, obj: Object): string;
export declare function getPath(root: Object, obj: Object): string;
/**
* Recursively checks whether an object has any undefined values inside.
*/
export declare function hasUndefined(obj: any): boolean;
export declare type JsonPatchErrorName = 'SEQUENCE_NOT_AN_ARRAY' | 'OPERATION_NOT_AN_OBJECT' | 'OPERATION_OP_INVALID' | 'OPERATION_PATH_INVALID' | 'OPERATION_FROM_REQUIRED' | 'OPERATION_VALUE_REQUIRED' | 'OPERATION_VALUE_CANNOT_CONTAIN_UNDEFINED' | 'OPERATION_PATH_CANNOT_ADD' | 'OPERATION_PATH_UNRESOLVABLE' | 'OPERATION_FROM_UNRESOLVABLE' | 'OPERATION_PATH_ILLEGAL_ARRAY_INDEX' | 'OPERATION_VALUE_OUT_OF_BOUNDS' | 'TEST_OPERATION_FAILED';
export declare class PatchError extends Error {
    name: JsonPatchErrorName;
    index?: number;
    operation?: any;
    tree?: any;
    constructor(message: string, name: JsonPatchErrorName, index?: number, operation?: any, tree?: any);
}