requiredKeys constant
The list of required keys that must be present in a JSON.
Implementation
static const requiredKeys = <String>{
'id',
'tags',
'codes',
'recipients',
'toAddresses',
'metas',
'readStatus',
'invoiceIds',
'unassignedResults',
'assignedResults',
'senderReferences',
'secretForeignKeys',
'cryptedForeignKeys',
'delegations',
'encryptionKeys',
};