src/vs/workbench/api/common/extHostDebugService.ts/ExtHostDebugServiceBase/getAdapterDescriptorFactoryByHandle
class ExtHostDebugServiceBase:	private getAdapterDescriptorFactoryByHandle(handle: number): vscode.DebugAdapterDescriptorFactory | undefined {
		const results = this._adapterFactories.filter(p => p.handle === handle);
		if (results.length > 0) {
			return results[0].factory;
		}
		return undefined;
	}