Group.fromJson constructor
Implementation
factory Group.fromJson(Map<String, dynamic> json) {
  return Group(
    keys: (json['Keys'] as List?)
        ?.whereNotNull()
        .map((e) => e as String)
        .toList(),
    metrics: (json['Metrics'] as Map<String, dynamic>?)?.map((k, e) =>
        MapEntry(k, MetricValue.fromJson(e as Map<String, dynamic>))),
  );
}