/**
 * @class
 *
 * Identity for JavaScript objects and functions. This is implemented using
 * a simple incrementing counter which is stored in each object under
 * {@link FIELD_NAME}.
 *
 * The identity for an object does not change during its lifecycle.
 */
declare class mxObjectIdentity {
  /**
   * Name of the field to be used to store the object ID. Default is
   * <code>mxObjectId</code>.
   */
  static FIELD_NAME: string;

  /**
   * Current counter.
   */
  static counter: number;

  /**
   * Returns the ID for the given object or function or null if no object
   * is specified.
   */
  static get(obj: any): any;

  /**
   * Deletes the ID from the given object or function.
   */
  static clear(obj: any): void;
}