[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [DebugSharedObjectLifeCycleChecker](./rc-js-util.debugsharedobjectlifecyclechecker.md) ## DebugSharedObjectLifeCycleChecker class Wrapper of [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global\_Objects/FinalizationRegistry](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/FinalizationRegistry) for shared objects, useful for checking if the shared object was properly disposed. Available in debug contexts only. **Signature:** ```typescript export declare class DebugSharedObjectLifeCycleChecker ``` ## Methods

Method	Modifiers	Description
[registerFinalizationCheck(sharedObject, metadata)](./rc-js-util.debugsharedobjectlifecyclechecker.registerfinalizationcheck.md)