*/
package org.codelibs.fess.validation;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.hibernate.validator.constraintvalidation.HibernateConstraintValidatorContext;

import jakarta.validation.ConstraintValidator;
import jakarta.validation.ConstraintValidatorContext;

/**

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

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

import java.util.concurrent.atomic.AtomicReference;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.LegacySupport;
import org.eclipse.aether.RepositorySystemSession;

/**

 * under the License.
 */
package org.apache.maven.model.interpolation;

import java.util.List;

import org.apache.maven.model.building.ModelProblem.Severity;
import org.apache.maven.model.building.ModelProblem.Version;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.building.ModelProblemCollectorRequest;
import org.codehaus.plexus.interpolation.ValueSource;

/**

 * under the License.
 */
package org.apache.maven.api.services;

import org.apache.maven.api.RemoteRepository;
import org.apache.maven.api.Service;
import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Consumer;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**

 * under the License.
 */
package org.apache.maven.api.services;

import org.apache.maven.api.ArtifactCoordinates;
import org.apache.maven.api.Service;
import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Consumer;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Resolves artifact meta/pseudo versions.
 *

 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.collect.Iterators.singletonIterator;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Preconditions;
import org.jspecify.annotations.Nullable;

/**

 */
package jcifs.internal.smb2.ioctl;

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

 */
package okhttp3

import java.util.concurrent.TimeUnit
import kotlin.time.Duration
import okhttp3.internal.commonBuild
import okhttp3.internal.commonClampToInt
import okhttp3.internal.commonForceCache
import okhttp3.internal.commonForceNetwork
import okhttp3.internal.commonImmutable
import okhttp3.internal.commonNoCache
import okhttp3.internal.commonNoStore
import okhttp3.internal.commonNoTransform

 */
package okhttp3.internal.http2

import assertk.assertThat
import assertk.assertions.isEqualTo
import assertk.assertions.isFalse
import assertk.assertions.isTrue
import java.io.IOException
import java.util.Arrays
import java.util.concurrent.atomic.AtomicInteger
import kotlin.math.pow
import kotlin.test.assertFailsWith
import okhttp3.TestUtil.headerEntries
import okhttp3.internal.EMPTY_BYTE_ARRAY

from typing import Union

from fastapi import FastAPI

app = FastAPI()


@app.get("/items/{item_id}")
async def read_item(item_id: str, q: Union[str, None] = None):
    if q:
        return {"item_id": item_id, "q": q}