anchor.diff:      dateTo: DateTime = null
     ): VirtualCardCollection!
     virtualCardMerchants(limit: Int = 100, offset: Int = 0): AccountCollection!
  +  childrenAccounts(limit: Int = 100, offset: Int = 0, accountType: [AccountType]): AccountCollection
   
     """
     Number of unique financial contributors.
  
positive.code:   STRIPE
    OPENCOLLECTIVE
    PREPAID
  }
  
  enum PaymentMethodType {
  
negative.code:     dateTo: DateTime = null
    ): VirtualCardCollection!
    virtualCardMerchants(limit: Int = 100, offset: Int = 0): AccountCollection!
    childrenAccounts(limit: Int = 100, offset: Int = 0, accountType: [AccountType]): AccountCollection
  
    """
    Number of unique financial contributors.
  