### Top-level application { #top-level-application }

First, create the main, top-level, **FastAPI** application, and its *path operations*:

{* ../../docs_src/sub_applications/tutorial001_py39.py hl[3, 6:8] *}

### Sub-application { #sub-application }

     */
    ModelBuildingRequest setPomFile(File pomFile);

    /**
     * Gets the level of validation to perform on processed models.
     *
     * @return The level of validation to perform on processed models.
     */
    int getValidationLevel();

    /**
     * Sets the level of validation to perform on processed models. For building of projects,

  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "request"),
    level = DeprecationLevel.ERROR,
  )
  fun request(): Request = request

  @JvmName("-deprecated_protocol")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "protocol"),
    level = DeprecationLevel.ERROR,
  )
  fun protocol(): Protocol = protocol

  @JvmName("-deprecated_code")

  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "scheme"),
    level = DeprecationLevel.ERROR,
  )
  fun scheme(): String = scheme

  @JvmName("-deprecated_authParams")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "authParams"),
    level = DeprecationLevel.ERROR,
  )
  fun authParams(): Map<String?, String> = authParams

  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "type"),
    level = DeprecationLevel.ERROR,
  )
  fun type(): String = type

  @JvmName("-deprecated_subtype")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "subtype"),
    level = DeprecationLevel.ERROR,
  )
  fun subtype(): String = subtype

  /**

    message = "moved to val",
    replaceWith = ReplaceWith(expression = "dispatcher"),
    level = DeprecationLevel.ERROR,
  )
  fun dispatcher(): Dispatcher = dispatcher

  @JvmName("-deprecated_connectionPool")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "connectionPool"),
    level = DeprecationLevel.ERROR,
  )
  fun connectionPool(): ConnectionPool = connectionPool

 * limitations under the License.
 */
package okhttp3.internal.concurrent

import java.util.logging.Level
import java.util.logging.Logger

internal inline fun Logger.taskLog(
  task: Task,
  queue: TaskQueue,
  messageBlock: () -> String,
) {
  if (isLoggable(Level.FINE)) {
    log(task, queue, messageBlock())
  }
}

internal inline fun <T> Logger.logElapsed(
  task: Task,

<img width="85%" src="https://bradley.codes/static/img/jstream-levels.gif" alt="jstream"/>

we can choose to extract and act only the objects within the top-level array:
```go
f, _ := os.Open("input.json")
decoder := jstream.NewDecoder(f, 1) // extract JSON values at a depth level of 1
for mv := range decoder.Stream() {
  fmt.Printf("%v\n ", mv.Value)
}
```

output:
```
map[desc:RGB colors:[red green blue]]

            if (context.loggerFactory instanceof LogLevelRecorder recorder) {
                LogLevelRecorder.Level level =
                        switch (logLevelThreshold.toLowerCase(Locale.ENGLISH)) {
                            case "warn", "warning" -> LogLevelRecorder.Level.WARN;
                            case "error" -> LogLevelRecorder.Level.ERROR;
                            default ->

import java.net.SocketException
import java.util.concurrent.ConcurrentHashMap
import java.util.concurrent.Executors
import java.util.concurrent.TimeUnit
import java.util.concurrent.atomic.AtomicInteger
import java.util.logging.Level
import java.util.logging.Logger
import okhttp3.TestUtil.threadFactory
import okhttp3.internal.and
import okhttp3.internal.closeQuietly
import okhttp3.internal.threadName
import okio.Buffer
import okio.BufferedSink