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      (b) You must cause any modified files to carry prominent notices
          stating that You changed the files; and

      Work or Derivative Works thereof in any medium, with or without
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      Work or Derivative Works thereof in any medium, with or without
      modifications, and in Source or Object form, provided that You
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      Work or Derivative Works thereof in any medium, with or without
      modifications, and in Source or Object form, provided that You
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    return capacityWithoutIt >= addressState.policy.minimumConcurrentCalls
  }

  /**
   * Prunes any leaked calls and then returns the number of remaining live calls on [connection].
   * Calls are leaked if the connection is tracking them but the application code has abandoned
   * them. Leak detection is imprecise and relies on garbage collection.
   */

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# Primeros Pasos

El archivo FastAPI más simple podría verse así:

{* ../../docs_src/first_steps/tutorial001.py *}

Copia eso en un archivo `main.py`.

Ejecuta el servidor en vivo:

<div class="termy">

```console
$ <font color="#4E9A06">fastapi</font> dev <u style="text-decoration-style:single">main.py</u>
<font color="#3465A4">INFO    </font> Using path <font color="#3465A4">main.py</font>

        assertThrows(IllegalStateException.class, () -> closedAuth.getPasswordAsCharArray());
    }

    /**
     * Test authentication TTL (Time To Live)
     */
    @Test
    @DisplayName("Test authentication TTL expiration")
    public void testAuthenticationTTL() throws InterruptedException {

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