```Python hl_lines="2"
{!../../docs_src/python_types/tutorial004.py!}
```

## Deklarieren von Typen

Sie haben gerade den Haupt-Einsatzort für die Deklaration von Typhinweisen gesehen. Als Funktionsparameter.

Das ist auch meistens, wie sie in **FastAPI** verwendet werden.

### Einfache Typen

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.model.building;

import java.io.File;
import java.nio.file.Path;

import org.apache.maven.model.Model;

/**
 * Builds the effective model from a POM.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelBuilder {

    /**

 * under the License.
 */
package org.apache.maven.execution;

import javax.inject.Named;
import javax.inject.Singleton;

import java.io.IOException;
import java.io.Reader;
import java.io.Writer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Properties;
import java.util.stream.Stream;

import org.apache.maven.project.MavenProject;
import org.slf4j.Logger;

	Key     string   `xml:"Key,omitempty" json:"Key,omitempty"`
	Value   string   `xml:"Value,omitempty" json:"Value,omitempty"`
}

var (
	errInvalidTagKey   = Errorf("The TagKey you have provided is invalid")
	errInvalidTagValue = Errorf("The TagValue you have provided is invalid")
)

func (tag Tag) String() string {
	return tag.Key + "=" + tag.Value
}

// IsEmpty returns whether this tag is empty or not.

Using these ideas, JWT can be used for way more sophisticated scenarios.

In those cases, several of those entities could have the same ID, let's say `foo` (a user `foo`, a car `foo`, and a blog post `foo`).

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.repository.legacy.metadata;

import org.apache.maven.artifact.Artifact;

/**
 * Common elements of artifact metadata.
 *
 */
@Deprecated
public abstract class AbstractArtifactMetadata implements ArtifactMetadata {

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.repository.metadata;

import org.apache.maven.artifact.ArtifactScopeEnum;

/**
 * Resolves conflicts in the supplied dependency graph.
 * Different implementations will implement different conflict resolution policies.
 *
 */
@Deprecated

 * under the License.
 */
package org.apache.maven.internal.aether;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;

import org.eclipse.aether.RepositorySystem;
import org.eclipse.sisu.EagerSingleton;
import org.eclipse.sisu.PreDestroy;

import static java.util.Objects.requireNonNull;

/**

 * under the License.
 */
package org.apache.maven.repository;

/**
 * Describes a resource being uploaded or downloaded by the repository system.
 *
 */
@Deprecated
public interface ArtifactTransferResource {

    /**
     * The base URL of the repository, e.g. "http://repo1.maven.org/maven2/". Unless the URL is unknown, it will be
     * terminated by a trailing slash.
     *

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.resolver.filter;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import org.apache.maven.artifact.Artifact;

/**
 * Filter to include from a list of artifact patterns.
 *
 */