src/vs/workbench/common/editor/editorGroupModel.ts/EditorGroupModel/onConfigurationUpdated
class EditorGroupModel:	private onConfigurationUpdated(): void {
		this.editorOpenPositioning = this.configurationService.getValue('workbench.editor.openPositioning');
		this.focusRecentEditorAfterClose = this.configurationService.getValue('workbench.editor.focusRecentEditorAfterClose');
	}