src/vs/workbench/services/history/browser/historyService.ts/HistoryService/includeInHistory
class HistoryService:	private includeInHistory(editor: EditorInput | IResourceEditorInput): boolean {
		if (isEditorInput(editor)) {
			return true; // include any non files
		}

		return !this.resourceExcludeMatcher.value.matches(editor.resource);
	}