!!! info
    In this example we use invented custom headers `X-Key` and `X-Token`.

    But in real cases, when implementing security, you would get more benefits from using the integrated [Security utilities (the next chapter)](../security/index.md){.internal-link target=_blank}.

## Dependencies errors and return values

- [`KT-59518`](https://youtrack.jetbrains.com/issue/KT-59518) Cherry-pick old-import tests into 231-1.9.0/master
- [`KT-56736`](https://youtrack.jetbrains.com/issue/KT-56736) Investigate how-to run multiplatform tests on real devices
- [`KT-59519`](https://youtrack.jetbrains.com/issue/KT-59519) Bump AGP versions in intellij.git tests in master

    hashed_password = hashed_password,
)
```

!!! warning
    The supporting additional functions are just to demo a possible flow of the data, but they of course are not providing any real security.

## Reduce duplication

Reducing code duplication is one of the core ideas in **FastAPI**.

     * fit comfortably within a single ethernet packet (1500 bytes) even with framing overhead.
     *
     * For tests this must be big enough to realize real compression on test messages like
     * 'aaaaaaaaaa...'. Our tests check if compression was applied just by looking at the size if
     * the inbound buffer.
     */
    const val DEFAULT_MINIMUM_DEFLATE_SIZE = 1024L
  }

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