[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [SharedObjectCleanup](./rc-js-util.sharedobjectcleanup.md) ## SharedObjectCleanup class Provides reasonable defaults for cleaning up a handle to a `JsInterop::ASharedMemoryObject`. **Signature:** ```typescript export declare class SharedObjectCleanup implements IOnFreeListener ``` **Implements:** [IOnFreeListener](./rc-js-util.ionfreelistener.md) ## Constructors

Constructor	Modifiers	Description
[(constructor)(sharedObject, ownershipKind)](./rc-js-util.sharedobjectcleanup._constructor_.md)		Constructs a new instance of the `SharedObjectCleanup` class

## Properties

Property	Modifiers	Type	Description
[Options](./rc-js-util.sharedobjectcleanup.options.md)	`static`	{ new (debugName: string, protectedView: [IDebugProtectedViewFactory](./rc-js-util.idebugprotectedviewfactory.md) \| null, ownershipKind: [ESharedObjectOwnerKind](./rc-js-util.esharedobjectownerkind.md)): { readonly debugName: string; readonly protectedView: [IDebugProtectedViewFactory](./rc-js-util.idebugprotectedviewfactory.md) \| null; readonly ownershipKind: [ESharedObjectOwnerKind](./rc-js-util.esharedobjectownerkind.md); }; }
[ownershipKind](./rc-js-util.sharedobjectcleanup.ownershipkind.md)	`protected` `readonly`	[ESharedObjectOwnerKind](./rc-js-util.esharedobjectownerkind.md)
[ptr](./rc-js-util.sharedobjectcleanup.ptr.md)	`readonly`	number
[wrapper](./rc-js-util.sharedobjectcleanup.wrapper.md)	`readonly`	[IEmscriptenWrapper](./rc-js-util.iemscriptenwrapper.md)<[IInteropBindings](./rc-js-util.iinteropbindings.md)>

## Methods

Method	Modifiers	Description
[createWithCleanup(sharedObject, options)](./rc-js-util.sharedobjectcleanup.createwithcleanup.md)	`static`
[onFree()](./rc-js-util.sharedobjectcleanup.onfree.md)
[registerCleanup(sharedObject, cleanup, options)](./rc-js-util.sharedobjectcleanup.registercleanup.md)	`static`