export interface IStatic { setReceiverName ( name ) : IStatic ; setReceiverCity ( city ) : IStatic ; setReceiverZipCode ( zipCode ) : IStatic ; setIdentificator ( identificator ) : IStatic ; setDescription ( description ) : IStatic ; setAmount ( amount ) : IStatic ; setKey ( key ) : IStatic ; isUniqueTransaction ( is_unique_transaction ) : IStatic ; getBRCode ( ) : string ; getQRCode ( ) : Promise < string | null > ; saveQRCodeFile ( path ) : Promise < any > ; }