toJson method

Map<String, dynamic> toJson()

Serialize to a JSON-encodable map, omitting absent members.

Implementation

Map<String, dynamic> toJson() => <String, dynamic>{
      'credentialId': credentialId,
      if (issuedAt != null) 'issuedAt': issuedAt!,
      if (expiresAt != null) 'expiresAt': expiresAt!,
    };