src/vs/editor/standalone/browser/simpleServices.ts/SimpleEditorModelResolverService/findModel
class SimpleEditorModelResolverService:	private findModel(editor: ICodeEditor, resource: URI): ITextModel | null {
		let model = this.modelService.getModel(resource);
		if (model && model.uri.toString() !== resource.toString()) {
			return null;
		}

		return model;
	}