src/vs/platform/extensionManagement/common/extensionManagementIpc.ts/ExtensionManagementChannel/constructor
class ExtensionManagementChannel:	constructor(private service: IExtensionManagementService, private getUriTransformer: (requestContext: any) => IURITransformer | null) {
		this.onInstallExtension = Event.buffer(service.onInstallExtension, true);
		this.onDidInstallExtensions = Event.buffer(service.onDidInstallExtensions, true);
		this.onUninstallExtension = Event.buffer(service.onUninstallExtension, true);
		this.onDidUninstallExtension = Event.buffer(service.onDidUninstallExtension, true);
	}