check.error(ident, InvalidInitDecl, "cannot declare init - must be func")
		return
	}

	// spec: "The main package must have package name main and declare
	// a function main that takes no arguments and returns no value."
	if ident.Value == "main" && check.pkg.name == "main" {
		check.error(ident, InvalidMainDecl, "cannot declare main - must be func")
		return
	}

	check.declare(check.pkg.scope, ident, obj, nopos)

		check.error(ident, InvalidInitDecl, "cannot declare init - must be func")
		return
	}

	// spec: "The main package must have package name main and declare
	// a function main that takes no arguments and returns no value."
	if ident.Name == "main" && check.pkg.name == "main" {
		check.error(ident, InvalidMainDecl, "cannot declare main - must be func")
		return
	}

	check.declare(check.pkg.scope, ident, obj, nopos)

# `Response` class

You can declare a parameter in a *path operation function* or dependency to be of type `Response` and then you can set data for the response like headers or cookies.

You can also use it directly to create an instance of it and return it from your *path operations*.

You can import it directly from `fastapi`:

```python
from fastapi import Response
```

                    .severity(Severity.ERROR)
                    .details("If you don't declare the normalization, outputs can't be re-used between machines or locations on the same machine, therefore caching efficiency drops significantly")
                    .solution("Declare the normalization strategy by annotating the property with either @PathSensitive, @Classpath or @CompileClasspath");
            });

	case 'A':
		typ := r.typ()

		r.declare(types.NewTypeName(pos, r.currPkg, name, typ))

	case 'C':
		typ, val := r.value()

		r.declare(types.NewConst(pos, r.currPkg, name, typ, val))

	case 'F', 'G':
		var tparams []*types.TypeParam
		if tag == 'G' {
			tparams = r.tparamList()
		}
		sig := r.signature(nil, nil, tparams)
		r.declare(types.NewFunc(pos, r.currPkg, name, sig))

```

::: fastapi.Depends

## `Security()`

For many scenarios, you can handle security (authorization, authentication, etc.) with dependencies, using `Depends()`.

But when you want to also declare OAuth2 scopes, you can use `Security()` instead of `Depends()`.

You can import `Security()` directly from `fastapi`:

```python
from fastapi import Security
```

					</excludes>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.dbflute</groupId>
				<artifactId>dbflute-maven-plugin</artifactId>
				<configuration>
					<dbfluteVersion>${dbflute.version}</dbfluteVersion>
					<packageBase>org.codelibs.fess.dbflute</packageBase>
					<clientProject>fess</clientProject>
					<dbfluteClientDir>${basedir}/dbflute_fess</dbfluteClientDir>

                    consumer,
                    producer
                ))
                .solution("Declare task '" + producer + "' as an input of '" + consumer + "'")
                .solution("Declare an explicit dependency on '" + producer + "' from '" + consumer + "' using Task#dependsOn")
                .solution("Declare an explicit dependency on '" + producer + "' from '" + consumer + "' using Task#mustRunAfter")
        );
    }

			val := r.Value()
			declare(types.NewConst(pos, objPkg, objName, typ, val))

		case pkgbits.ObjFunc:
			pos := r.pos()
			tparams := r.typeParamNames()
			sig := r.signature(nil, nil, tparams)
			declare(types.NewFunc(pos, objPkg, objName, sig))

		case pkgbits.ObjType:
			pos := r.pos()

			obj := types.NewTypeName(pos, objPkg, objName, nil)
			named := types.NewNamed(obj, nil, nil)
			declare(obj)

## Dependencies errors and return values

You can use the same dependency *functions* you use normally.

### Dependency requirements

They can declare request requirements (like headers) or other sub-dependencies:

=== "Python 3.9+"

    ```Python hl_lines="8  13"
    {!> ../../../docs_src/dependencies/tutorial006_an_py39.py!}
    ```

=== "Python 3.8+"