src/vs/workbench/services/preferences/browser/preferencesService.ts/PreferencesService/createDefaultSettingsEditorModel
class PreferencesService:	private createDefaultSettingsEditorModel(defaultSettingsUri: URI): Promise<DefaultSettingsEditorModel> {
		return this.textModelResolverService.createModelReference(defaultSettingsUri)
			.then(reference => {
				const target = this.getConfigurationTargetFromDefaultSettingsResource(defaultSettingsUri);
				return this.instantiationService.createInstance(DefaultSettingsEditorModel, defaultSettingsUri, reference, this.getDefaultSettings(target));
			});
	}