client ->> dep: Iniciar requisição
    Note over dep: Executar código até o yield
    opt lançar Exceção
        dep -->> handler: lançar Exceção
        handler -->> client: resposta de erro HTTP
    end
    dep ->> operation: Executar dependência, e.g. sessão de BD
    opt raise
        operation -->> dep: Lançar exceção (e.g. HTTPException)
        opt handle

Klaus Post <******@****.***> 1739895955 -0800

Klaus Post <******@****.***> 1759093161 +0200

Aditya Manthramurthy <******@****.***> 1760547645 -0700

Mark Theunissen <******@****.***> 1719991040 +1000

        URL url = new URL("gcs://mybucket/path/to/object.txt");
        Handler handler = new Handler();
        URLConnection conn = handler.openConnection(url);

        assertTrue(conn instanceof Handler.GcsURLConnection);
        Handler.GcsURLConnection gcsConn = (Handler.GcsURLConnection) conn;

        // Use reflection to access private fields for testing

Ian Roberts <******@****.***> 1757180326 +0100

Klaus Post <******@****.***> 1756435188 +0200

    client ->> dep: Startet den Request
    Note over dep: Führt den Code bis zum yield aus
    opt Löst Exception aus
        dep -->> handler: Löst Exception aus
        handler -->> client: HTTP-Error-Response
    end
    dep ->> operation: Führt Abhängigkeit aus, z. B. DB-Session
    opt Löst aus
        operation -->> dep: Löst Exception aus (z. B. HTTPException)
        opt Handhabt

    when (type) {
      TYPE_DATA -> readData(handler, length, flags, streamId)
      TYPE_HEADERS -> readHeaders(handler, length, flags, streamId)
      TYPE_PRIORITY -> readPriority(handler, length, flags, streamId)
      TYPE_RST_STREAM -> readRstStream(handler, length, flags, streamId)
      TYPE_SETTINGS -> readSettings(handler, length, flags, streamId)
      TYPE_PUSH_PROMISE -> readPushPromise(handler, length, flags, streamId)