Allow constructor
      
      Allow(
    
    
- List<OperationStatus> operation_statuses,
- List<String> operation_types,
- List<RosettaError> errors,
- bool historical_balance_lookup,
- List<String> call_methods,
- List<BalanceExemption> balance_exemptions,
- bool mempool_coins,
- int? timestamp_start_index,
Implementation
Allow(
    this.operation_statuses,
    this.operation_types,
    this.errors,
    this.historical_balance_lookup,
    this.call_methods,
    this.balance_exemptions,
    this.mempool_coins,
    this.timestamp_start_index);