toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (approveTime != null) 'approveTime': approveTime!,
if (autoApproved != null) 'autoApproved': autoApproved!,
if (expireTime != null) 'expireTime': expireTime!,
if (invalidateTime != null) 'invalidateTime': invalidateTime!,
if (signatureInfo != null) 'signatureInfo': signatureInfo!,
};