## Future

By this point, it's already clear that **FastAPI** with its ideas is being useful for many people.

It is being chosen over previous alternatives for suiting many use cases better.

Many developers and teams already depend on **FastAPI** for their projects (including me and my team).

But still, there are many improvements and features to come.

                logger.debug("Failed to validate a file.", e);
            }
        }
        return false;
    }

    /**
     * Generates SitemapSet instance.
     *
     * This method does not close the input stream.
     *
     * @param in Input stream for a sitemap
     * @return a sitemap set
     */
    public SitemapSet parse(final InputStream in) {
        return parse(in, true);
    }

  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  // DoNotCall wants this to be final, but we want to override it to return more specific types.
  // Inheritance is closed, and all subtypes are @DoNotCall, so this is safe to suppress.
  @SuppressWarnings("DoNotCall")
  public ImmutableCollection<V> removeAll(@CheckForNull Object key) {
    throw new UnsupportedOperationException();
  }

Upgrading to OkHttp 4
=====================

OkHttp 4.x upgrades our implementation language from Java to Kotlin and keeps everything else the
same. We’ve chosen Kotlin because it gives us powerful new capabilities while integrating closely
with Java.

We spent a lot of time and energy on retaining strict compatibility with OkHttp 3.x. We’re even
keeping the package name the same: `okhttp3`!

There are three kinds of compatibility we’re tracking:

	public final fun boundary ()Ljava/lang/String;
	public fun close ()V
	public final fun nextPart ()Lokhttp3/MultipartReader$Part;
}

public final class okhttp3/MultipartReader$Part : java/io/Closeable {
	public fun <init> (Lokhttp3/Headers;Lokio/BufferedSource;)V
	public final fun body ()Lokio/BufferedSource;
	public fun close ()V
	public final fun headers ()Lokhttp3/Headers;
}

    call =
      clientTestRule.newClient().newCall(
        Request.Builder()
          .url("https://$uriHost:$uriPort/")
          .build(),
      ) as RealCall
  }

  @AfterEach fun tearDown() {
    factory.close()
  }

  @Test fun singleRoute() {
    val address = factory.newAddress()
    val routeSelector = newRouteSelector(address)
    assertThat(routeSelector.hasNext()).isTrue()
    dns[uriHost] = dns.allocate(1)

                this.endDate = this.startDate.clone();

            if (this.maxDate && this.endDate.isAfter(this.maxDate))
                this.endDate = this.maxDate.clone();

            if (this.maxSpan && this.startDate.clone().add(this.maxSpan).isBefore(this.endDate))
                this.endDate = this.startDate.clone().add(this.maxSpan);

            this.previousRightTime = this.endDate.clone();

			batchLogIf(ctx, ri.updateAfter(ctx, api, after, job))
			cancel()
		}
	}()

	expireCh := make(chan []expireObjInfo, workerSize)
	expireDoneCh := make(chan struct{})
	go func() {
		defer close(expireDoneCh)
		batchObjsForDelete(ctx, r, ri, job, api, wk, expireCh)
	}()

	var (
		prevObj       ObjectInfo
		matchedFilter BatchJobExpireFilter
		versionsCount int
		toDel         []expireObjInfo

  // be dropped.) The default value, "Cluster", uses the standard behavior of
  // routing to all endpoints evenly (possibly modified by topology and other
  // features). Note that traffic sent to an External IP or LoadBalancer IP from
  // within the cluster will always get "Cluster" semantics, but clients sending to
  // a NodePort from within the cluster may need to take traffic policy into account

			}

			rows, err := db.Statement.ConnPool.QueryContext(
				db.Statement.Context, db.Statement.SQL.String(), db.Statement.Vars...,
			)
			if db.AddError(err) == nil {
				defer func() {
					db.AddError(rows.Close())
				}()
				gorm.Scan(rows, db, mode)
			}

			return
		}

		result, err := db.Statement.ConnPool.ExecContext(
			db.Statement.Context, db.Statement.SQL.String(), db.Statement.Vars...,
		)