requiredKeys constant
The list of required keys that must be present in a JSON.
Implementation
static const requiredKeys = <String>{
'object',
'id',
'name',
'fee',
'annual_monthly_fee',
'annual_fee',
'description',
'product_id',
'is_default',
'is_recurring',
'publicly_visible',
'has_base_fee',
'for_payer_type',
'slug',
'avatar_url',
'free_trial_enabled',
'free_trial_days',
};