Range.open(0, 4),
        ContiguousSet.create(Range.closedOpen(1, 4), integers()).range(OPEN, OPEN));
    assertEquals(
        Range.open(0, 4), ContiguousSet.create(Range.open(0, 4), integers()).range(OPEN, OPEN));
    assertEquals(
        Range.open(0, 4),
        ContiguousSet.create(Range.openClosed(0, 3), integers()).range(OPEN, OPEN));

    assertEquals(
        Range.closedOpen(1, 4),

        .addEqualityGroup(Range.greaterThan(1), Range.downTo(1, OPEN))
        .addEqualityGroup(Range.atMost(7), Range.upTo(7, CLOSED))
        .addEqualityGroup(Range.lessThan(7), Range.upTo(7, OPEN))
        .addEqualityGroup(Range.open(1, 7), Range.range(1, OPEN, 7, OPEN))
        .addEqualityGroup(Range.openClosed(1, 7), Range.range(1, OPEN, 7, CLOSED))

 *
 * ### Android Cleartext Permit Detection
 *
 * Supported on Android 6.0+ via `NetworkSecurityPolicy`.
 */
open class Platform {
  /** Prefix used on custom headers. */
  fun getPrefix() = "OkHttp"

  open fun newSSLContext(): SSLContext = SSLContext.getInstance("TLS")

  open fun platformTrustManager(): X509TrustManager {
    val factory =
      TrustManagerFactory.getInstance(

        .addEqualityGroup(Range.greaterThan(1), Range.downTo(1, OPEN))
        .addEqualityGroup(Range.atMost(7), Range.upTo(7, CLOSED))
        .addEqualityGroup(Range.lessThan(7), Range.upTo(7, OPEN))
        .addEqualityGroup(Range.open(1, 7), Range.range(1, OPEN, 7, OPEN))
        .addEqualityGroup(Range.openClosed(1, 7), Range.range(1, OPEN, 7, CLOSED))

        Range.open(0, 4),
        ContiguousSet.create(Range.closedOpen(1, 4), integers()).range(OPEN, OPEN));
    assertEquals(
        Range.open(0, 4), ContiguousSet.create(Range.open(0, 4), integers()).range(OPEN, OPEN));
    assertEquals(
        Range.open(0, 4),
        ContiguousSet.create(Range.openClosed(0, 3), integers()).range(OPEN, OPEN));

    assertEquals(
        Range.closedOpen(1, 4),

{* ../../docs_src/events/tutorial003_py310.py hl[1,13] *}

A **context manager** in Python is something that you can use in a `with` statement, for example, `open()` can be used as a context manager:

```Python
with open("file.txt") as file:
    file.read()
```

In recent versions of Python, there's also an **async context manager**. You would use it with `async with`:

```Python

import common.Os
import jetbrains.buildServer.configs.kotlin.BuildType
import model.Stage

open class BaseGradleBuildType(
    open val stage: Stage? = null,
    open val failStage: Boolean = true,
    init: BaseGradleBuildType.() -> Unit = {},
) : BuildType() {
    init {
        this.init()
    }
}

open class OsAwareBaseGradleBuildType(
    val os: Os,
    override val stage: Stage? = null,

    } else {
      eventsForMatching.forEach loop@{
        when (e.closes(it)) {
          null -> return

          // no open event
          true -> return

          // found open event
          false -> return@loop // this is not the open event so continue
        }
      }
      fail<Any>("event $e without matching start event")
    }
  }

Then the malicious website could make the local AI agent send angry messages to the user's ex-boss... or worse. 😅

## Open Internet { #open-internet }

If your app is in the open internet, you wouldn't "trust the network" and let anyone send privileged requests without authentication.

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