In this case, this `__call__` is what **FastAPI** will use to check for additional parameters and sub-dependencies, and this is what will be called to pass a value to the parameter in your *path operation function* later.

## Parameterize the instance { #parameterize-the-instance }

And now, we can use `__init__` to declare the parameters of the instance that we can use to "parameterize" the dependency:

/// tip | Consejo

Como Pydantic lo serializará en el lado de **Rust**, obtendrás un **rendimiento** mucho mayor que si no declaras un tipo de retorno.

///

### No async *path operation functions* { #non-async-path-operation-functions }

También puedes usar funciones `def` normales (sin `async`), y usar `yield` de la misma manera.

FastAPI se asegurará de ejecutarlo correctamente para que no bloquee el event loop.

/// tip | Consejo

Como Pydantic lo serializará en el lado de **Rust**, obtendrás un **rendimiento** mucho mayor que si no declaras un tipo de retorno.

///

### *path operation functions* no-async { #non-async-path-operation-functions }

También puedes usar funciones `def` regulares (sin `async`), y usar `yield` de la misma forma.

FastAPI se asegurará de que se ejecute correctamente para que no bloquee el event loop.

/// tip

As Pydantic will serialize it in the **Rust** side, you will get much higher **performance** than if you don't declare a return type.

///

### Non-async *path operation functions* { #non-async-path-operation-functions }

You can also use regular `def` functions (without `async`), and use `yield` the same way.

FastAPI will make sure it's run correctly so that it doesn't block the event loop.

/// tip

As Pydantic will serialize it in the **Rust** side, you will get much higher **performance** than if you don't declare a return type.

///

### Non-async *path operation functions* { #non-async-path-operation-functions }

You can also use regular `def` functions (without `async`), and use `yield` the same way.

FastAPI will make sure it's run correctly so that it doesn't block the event loop.

			logger.Fatal(fmt.Errorf("invalid TLS arguments provided missing private key --ftp=\"tls-private-key=path/to/private.key\""), "unable to start FTP server")
		}

		if tlsPrivateKey != "" && tlsPublicCert == "" {
			logger.Fatal(fmt.Errorf("invalid TLS arguments provided missing public cert --ftp=\"tls-public-cert=path/to/public.crt\""), "unable to start FTP server")
		}
		if port == 0 {

      }

      override fun canonicalize(s: String): String = s.lowercase()
    },

    PATH {
      override fun urlString(value: String): String = "http://example.com/a${value}z/"

      override fun encodedValue(url: HttpUrl): String {
        val path = url.encodedPath
        return path.substring(2, path.length - 2)
      }

      override operator fun set(
        builder: HttpUrl.Builder,

    @Override
    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        dst[dstIndex] = (byte) 0x04;
        dstIndex++;
        dstIndex += writeString(this.path, dst, dstIndex);
        return dstIndex - start;
    }

    @Override
    protected int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override

     *
     * @return The base URL of the repository or an empty string if unknown, never {@code null}.
     */
    String getRepositoryUrl();

    /**
     * The path of the artifact relative to the repository's base URL.
     *
     * @return The path of the artifact, never {@code null}.
     */
    String getName();

    /**
     * Gets the full URL of the artifact.
     *

  <name>Model urls inheritance test child</name>
  <description>Flat directory structure case: module = ../child-artifact-id + child directory path != child-artifact-id</description>

  <!-- 5 inherited urls with ../${project.artifactId} added to parent -->
  <url>http://www.apache.org/path/to/parent/../child-artifact-id/</url>
  <scm>
    <connection>scm:my-scm:http://domain.org/base/../child-artifact-id</connection>