FilterGroup

fun FilterGroup(    @Json(name = "children") children: List<FilterGroup>?,     @Json(name = "parents") parents: List<FilterGroup>?,     @Json(name = "count") count: Int?,     @Json(name = "display_name") displayName: String,     @Json(name = "group_id") groupId: String,     @Json(name = "data") data: Map<String, Any?>?)