requiredKeys constant

Set<String> const requiredKeys

The list of required keys that must be present in a JSON.

Implementation

static const requiredKeys = <String>{
  'object',
  'id',
  'plan_id',
  'instance_id',
  'currency',
  'currency_symbol',
  'amount',
  'annual_monthly_amount',
  'fee',
  'annual_monthly_fee',
  'created_at',
};