* governing permissions and limitations under the License.
 */
package org.codelibs.core.xml;

import javax.xml.parsers.DocumentBuilder;

import junit.framework.TestCase;

import org.codelibs.core.io.ResourceUtil;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

/**
 * @author higa
 *
 */
public class DomUtilTest extends TestCase {

    /**

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

import java.util.List;
import java.util.Map;
import java.util.Set;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;

/**
 * ResolutionGroup
 */
@Deprecated

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

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * This annotation indicates that the annotated type is <strong>not</strong> threadsafe

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

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * The {@code ThreadSafe} annotation can be used to indicate a given type

 */

package jcifs.dcerpc;


import java.io.IOException;
import java.net.MalformedURLException;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.SmbPipeResource;
import jcifs.smb.SmbNamedPipe;
import jcifs.smb.SmbPipeHandleInternal;
import jcifs.util.Encdec;


/**
 *
 */
public class DcerpcPipeHandle extends DcerpcHandle {

 */

package jcifs.internal.smb1.net;


import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.Configuration;
import jcifs.SmbConstants;
import jcifs.internal.smb1.trans.SmbComTransactionResponse;
import jcifs.internal.util.SMBUtil;
import jcifs.smb.FileEntry;
import jcifs.util.Hexdump;


/**
 * 
 * @author mbechler
 *
 */

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

import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.stream.Stream;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Immutable;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.model.Plugin;

/**

 * under the License.
 */
package org.apache.maven.settings.io.xpp3;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;

import org.apache.maven.settings.Settings;
import org.apache.maven.settings.v4.SettingsStaxReader;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

/**

from typing import Union

from fastapi import FastAPI
from fastapi.responses import FileResponse
from pydantic import BaseModel


class Item(BaseModel):
    id: str
    value: str


app = FastAPI()


@app.get(
    "/items/{item_id}",
    response_model=Item,
    responses={
        200: {
            "content": {"image/png": {}},
            "description": "Return the JSON item or an image.",
        }
    },

from typing import Optional

from fastapi import FastAPI
from fastapi.params import Param
from fastapi.testclient import TestClient

app = FastAPI()


@app.get("/items/")
def read_items(q: Optional[str] = Param(default=None)):  # type: ignore
    return {"q": q}


client = TestClient(app)


def test_default_param_query_none():
    response = client.get("/items/")
    assert response.status_code == 200, response.text