toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (iccid != null) 'iccid': iccid!,
if (imei != null) 'imei': imei!,
if (macAddress != null) 'macAddress': macAddress!,
if (mdn != null) 'mdn': mdn!,
if (meid != null) 'meid': meid!,
if (type != null) 'type': type!,
};