code: func NewListSinceBlockCmd(blockHash *string, targetConfirms *int, includeWatchOnly *bool) *ListSinceBlockCmd {
  	return &ListSinceBlockCmd{
  		BlockHash:           blockHash,
  		TargetConfirmations: targetConfirms,
  		IncludeWatchOnly:    includeWatchOnly,
  	}
  }
docs: // NewListSinceBlockCmd returns a new instance which can be used to issue a
  // listsinceblock JSON-RPC command.
  //
  // The parameters which are pointers indicate they are optional.  Passing nil
  // for optional parameters will use the default value.