<itemvalue="The [TransactionHandler] may be executed multiple times; it should be able to handle multiple executions. typedef TransactionHandler<T> = Future<T> Function(Transaction transaction); Transaction class which is created from a call to [runTransaction()]."/>
<itemvalue="The optional argument [shared] specifies whether additional `HttpServer` objects can bind to the same combination of `address`, `port` and `v6Only`. If `shared` is `true` and more `HttpServer`s from this isolate or other isolates are bound to the port, then the incoming connections will be distributed among all the bound `HttpServer`s. Connections can be distributed over multiple isolates this way."/>