public String toString() {
        if (inputs != null) {
            return inputs.stream().map(InputSource::toString).collect(Collectors.joining(", ", "merged[", "]"));
        }
        return getModelId() + " " + getLocation();
    }

    public static InputSource merge(InputSource src1, InputSource src2) {
        return new InputSource(Stream.concat(src1.sources(), src2.sources()).collect(Collectors.toSet()));
    }

    }

    // -----------/
    // - Methods -/
    // -----------/

    /**
     * Method clone.
     *
     * @return InputSource
     */
    public InputSource clone() {
        try {
            InputSource copy = (InputSource) super.clone();

            return copy;
        } catch (Exception ex) {
            throw (RuntimeException)

    public PersistedToolchains read(Reader input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        try (Reader in = input) {
            InputSource source = (InputSource) options.get(InputSource.class.getName());
            return new PersistedToolchains(new MavenToolchainsStaxReader().read(in, isStrict(options), source));
        } catch (XMLStreamException e) {

    private final int lineNumber;
    private final int columnNumber;
    private final InputSource source;
    private final Map<Object, InputLocation> locations;
    private final InputLocation importedFrom;

    public InputLocation(InputSource source) {
        this.lineNumber = -1;
        this.columnNumber = -1;
        this.source = source;

    public Settings read(Reader input, Map<String, ?> options) throws IOException {
        Objects.requireNonNull(input, "input cannot be null");

        try (Reader in = input) {
            InputSource source = (InputSource) options.get(InputSource.class.getName());
            return new Settings(new SettingsStaxReader().read(in, isStrict(options), source));
        } catch (XMLStreamException e) {
            throw new SettingsParseException(

                        + this.getClass().getPackage().getImplementationVersion() + ":super-pom";
                InputSource inputSource = new InputSource(
                        modelId, getClass().getResource(resource).toExternalForm());
                options.put(ModelProcessor.INPUT_SOURCE, new org.apache.maven.model.InputSource(inputSource));

                return modelProcessor.read(is, options);
            } catch (IOException e) {

        try (InputStream is = getClass().getResourceAsStream("/poms/factory/complex.xml")) {

            InputSource inputSource = new InputSource(null, "classpath:/poms/factory/complex.xml");
            Model model = new MavenStaxReader().read(is, true, inputSource);
            InputLocation propertiesLocation = model.getLocation("properties");
            assertNotNull(propertiesLocation);

 */
package org.apache.maven.model.io.xpp3;

import javax.xml.stream.XMLStreamException;

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

import org.apache.maven.model.InputSource;
import org.apache.maven.model.Model;
import org.apache.maven.model.v4.MavenStaxReader;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

/**
 * @deprecated Use MavenStaxReader instead
 */

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

import org.apache.maven.api.model.InputSource;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Measurement;

    } // -- InputLocation getOtherLocation( Object )

    /**
     * Get the source field.
     *
     * @return InputSource
     */
    public InputSource getSource() {
        return this.source;
    } // -- InputSource getSource()

    /**
     * Gets the parent InputLocation where this InputLocation may have been imported from.
     * Can return {@code null}.
     *