requiredKeys constant
The list of required keys that must be present in a JSON.
Implementation
static const requiredKeys = <String>{
'object',
'id',
'payment_id',
'instance_id',
'charge_type',
'payee_id',
'payee',
'payer_id',
'payer',
'amount',
'payment_method_id',
'payment_method',
'statement_id',
'gateway_external_id',
'gateway_external_url',
'status',
'paid_at',
'failed_at',
'created_at',
'updated_at',
};