src/vs/workbench/api/browser/mainThreadWorkspace.ts/MainThreadWorkspace/$unregisterEditSessionIdentityProvider
class MainThreadWorkspace:	$unregisterEditSessionIdentityProvider(handle: number) {
		const disposable = this.registeredEditSessionProviders.get(handle);
		disposable?.dispose();
		this.registeredEditSessionProviders.delete(handle);
	}