🚥 👆 💪 2️⃣ ⏲ ↗️ ❔ ⚙️ 🐍 🆎 (🚥 👆 🚫 ⚙️ FastAPI), ✅ 📏 🔰: [🐍 🆎](python-types.md){.internal-link target=_blank}.

👆 ✍ 🐩 🐍 ⏮️ 🆎:

```Python
from datetime import date

from pydantic import BaseModel

# Declare a variable as a str
# and get editor support inside the function
def main(user_id: str):
    return user_id


# A Pydantic model
class User(BaseModel):
    id: int

             <u style="text-decoration-style:solid">from </u><u style="text-decoration-style:solid"><b>main</b></u><u style="text-decoration-style:solid"> import </u><u style="text-decoration-style:solid"><b>app</b></u>

      <span style="background-color:#007166"><font color="#D3D7CF"> app </font></span>  Using import string: <font color="#3465A4">main:app</font>

 */
package org.codelibs.fess.filter;

import java.io.IOException;

import org.codelibs.fess.cors.CorsHandler;
import org.codelibs.fess.cors.CorsHandlerFactory;
import org.codelibs.fess.unit.UnitFessTestCase;
import org.codelibs.fess.util.ComponentUtil;

import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.job;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.helper.SearchLogHelper;
import org.codelibs.fess.util.ComponentUtil;

/**
 * Job for aggregating and storing search logs.

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3

import java.io.IOException
import java.net.InetAddress
import java.net.ServerSocket
import javax.net.ServerSocketFactory

/**
 * A [ServerSocketFactory] that delegates calls. Sockets can be configured after creation by
 * overriding [.configureServerSocket].
 */

 * limitations under the License.
 */

package com.google.common.collect.testing;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.SampleElements.Strings;
import java.util.List;
import org.jspecify.annotations.NullMarked;

/**
 * TODO: javadoc.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.testing;

import com.google.common.annotations.GwtCompatible;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jspecify.annotations.NullMarked;

/**
 * Simple utility for when you want to create a {@link TearDown} that may throw an exception but

package com.google.common.graph;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.base.Supplier;
import com.google.common.collect.ForwardingSet;
import java.util.Set;

/**
 * A subclass of `ForwardingSet` that throws `IllegalStateException` on invocation of any method
 * (except `hashCode` and `equals`) if the provided `Supplier` returns false.
 */
final class InvalidatableSet<E> extends ForwardingSet<E> {

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

import java.io.File;
import java.util.Map;

import org.apache.maven.model.Model;
import org.apache.maven.project.ProjectBuilderConfiguration;

/**
 */
@Deprecated
public interface ModelInterpolator {
    String DEFAULT_BUILD_TIMESTAMP_FORMAT = "yyyyMMdd-HHmm";

You can import it directly from `fastapi`:

```python
from fastapi import BackgroundTasks
```