src/vs/workbench/services/preferences/browser/preferencesService.ts/PreferencesService/openGlobalSettings
class PreferencesService:	openGlobalSettings(jsonEditor?: boolean, options?: ISettingsEditorOptions, group?: IEditorGroup): Promise<IEditorPane | undefined> {
		jsonEditor = typeof jsonEditor === 'undefined' ?
			this.configurationService.getValue('workbench.settings.editor') === 'json' :
			jsonEditor;

		return jsonEditor ?
			this.openOrSwitchSettings(ConfigurationTarget.USER_LOCAL, this.userSettingsResource, options, group) :
			this.openOrSwitchSettings2(ConfigurationTarget.USER_LOCAL, undefined, options, group);
	}