* safely be included in XML document as an attribute value. See section <a
   * href="http://www.w3.org/TR/2008/REC-xml-20081126/#AVNormalize">3.3.3</a> of the XML
   * specification.
   *
   * <p>This escaper substitutes {@code 0xFFFD} for non-whitespace control characters and the
   * character values {@code 0xFFFE} and {@code 0xFFFF} which are not permitted in XML. For more

import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.xml.ModelXmlFactory;
import org.apache.maven.api.services.xml.XmlReaderException;
import org.apache.maven.api.services.xml.XmlReaderRequest;
import org.apache.maven.api.services.xml.XmlWriterException;
import org.apache.maven.api.services.xml.XmlWriterRequest;
import org.apache.maven.model.v4.MavenStaxReader;

import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.xml.ModelXmlFactory;
import org.apache.maven.api.services.xml.XmlReaderException;
import org.apache.maven.api.services.xml.XmlReaderRequest;
import org.apache.maven.api.services.xml.XmlWriterException;
import org.apache.maven.api.services.xml.XmlWriterRequest;
import org.apache.maven.model.v4.MavenStaxReader;

import org.apache.maven.api.model.InputSource;
import org.apache.maven.api.services.xml.ToolchainsXmlFactory;
import org.apache.maven.api.services.xml.XmlReaderException;
import org.apache.maven.api.services.xml.XmlReaderRequest;
import org.apache.maven.api.services.xml.XmlWriterException;
import org.apache.maven.api.services.xml.XmlWriterRequest;
import org.apache.maven.api.toolchain.PersistedToolchains;

import org.apache.maven.api.model.InputSource;
import org.apache.maven.api.services.xml.ToolchainsXmlFactory;
import org.apache.maven.api.services.xml.XmlReaderException;
import org.apache.maven.api.services.xml.XmlReaderRequest;
import org.apache.maven.api.services.xml.XmlWriterException;
import org.apache.maven.api.services.xml.XmlWriterRequest;
import org.apache.maven.api.toolchain.PersistedToolchains;

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

import javax.xml.XMLConstants;
import javax.xml.validation.SchemaFactory;

import org.codelibs.core.log.Logger;
import org.xml.sax.SAXException;

/**
 * {@link SchemaFactory}のためのユーティリティ・クラスです。
 *
 * @author koichik
 */
public abstract class SchemaFactoryUtil {

 */
package org.codelibs.core.xml;

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.io.IOException;

import javax.xml.parsers.SAXParser;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.exception.SAXRuntimeException;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

 */
package org.apache.maven.configuration;

import javax.xml.stream.XMLStreamException;

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

import org.apache.maven.configuration.internal.DefaultBeanConfigurator;
import org.apache.maven.internal.xml.XmlNodeStaxBuilder;
import org.codehaus.plexus.util.xml.Xpp3Dom;
import org.junit.jupiter.api.AfterEach;

 * (such as an XML document). Typically (but not always), the inverse process of "unescaping" the
 * text is performed automatically by the relevant parser.
 *
 * <p>For example, an XML escaper would convert the literal string {@code "Foo<Bar>"} into {@code
 * "Foo&lt;Bar&gt;"} to prevent {@code "<Bar>"} from being confused with an XML tag. When the

import org.apache.maven.api.services.ToolchainsBuilderRequest;
import org.apache.maven.api.services.ToolchainsBuilderResult;
import org.apache.maven.api.services.xml.ToolchainsXmlFactory;
import org.apache.maven.api.services.xml.XmlReaderException;
import org.apache.maven.api.services.xml.XmlReaderRequest;
import org.apache.maven.api.toolchain.PersistedToolchains;
import org.apache.maven.toolchain.v4.MavenToolchainsMerger;