/**
 *
 * @param obj
 */
export declare function installChangeTracker(obj: object): void;
export declare function unInstallChangeTracker(obj: object): boolean;
/**
 * Temporarily uninstalls them, if an (ancestor) caller has allowed it
 * @param obj
 */
export declare function performance_temporarilyUninstallChangeTrackersIfAllowed(obj: object): void;
/**
 * Uninstalls the changes trackers temporarily while running the specified function. This can improve performance if you have many ready on few objects
 * @param execFn
 */
export declare function performance_withoutChangeEvents<T>(execFn: () => T): T;
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