src/vs/workbench/api/common/extHostConfiguration.ts/ExtHostConfigProvider/$acceptConfigurationChanged
class ExtHostConfigProvider:	$acceptConfigurationChanged(data: IConfigurationInitData, change: IConfigurationChange) {
		const previous = { data: this._configuration.toData(), workspace: this._extHostWorkspace.workspace };
		this._configuration = Configuration.parse(data);
		this._configurationScopes = this._toMap(data.configurationScopes);
		this._onDidChangeConfiguration.fire(this._toConfigurationChangeEvent(change, previous));
	}