src/vs/workbench/common/editor.ts/EditorFactoryRegistry/createEditorSerializer
class EditorFactoryRegistry:	private createEditorSerializer(editorTypeId: string, ctor: IConstructorSignature<IEditorSerializer>, instantiationService: IInstantiationService): void {
		const instance = instantiationService.createInstance(ctor);
		this.editorSerializerInstances.set(editorTypeId, instance);
	}