+ "out that it was not. Another project collection strategy will be executed as result.",
                        System.lineSeparator(),
                        moduleProjectPomFile.getAbsolutePath(),
                        request.getPom().getAbsolutePath());
                return Collections.emptyList();
            }

        super(
                message
                        + (lineNumber > 0 ? System.lineSeparator() + "  Line:   " + lineNumber : "")
                        + (columnNumber > 0 ? System.lineSeparator() + "  Column: " + columnNumber : ""),
                cause);
        this.lineNumber = lineNumber;
        this.columnNumber = columnNumber;
    }

  public void writeLines(Iterable<? extends CharSequence> lines, String lineSeparator)
      throws IOException {
    checkNotNull(lines);
    checkNotNull(lineSeparator);

    Closer closer = Closer.create();
    try {
      Writer out = closer.register(openBufferedStream());
      for (CharSequence line : lines) {
        out.append(line).append(lineSeparator);
      }

/**
 * Common elements of artifact metadata.
 *
 */
@Deprecated
public abstract class AbstractArtifactMetadata implements ArtifactMetadata {
    private static final String LS = System.lineSeparator();

    protected Artifact artifact;

    protected AbstractArtifactMetadata(Artifact artifact) {
        this.artifact = artifact;
    }

    public boolean storedInGroupDirectory() {
        return false;

    String secondLine = "\\s*at " + ThrowablesTest.class.getName() + "\\..*";
    String moreLines = "(?:.*" + System.lineSeparator() + "?)*";
    String expected =
        firstLine + System.lineSeparator() + secondLine + System.lineSeparator() + moreLines;
    assertThat(getStackTraceAsString(e)).matches(expected);
  }

  public void testGetCausalChain() {

    String secondLine = "\\s*at " + ThrowablesTest.class.getName() + "\\..*";
    String moreLines = "(?:.*" + System.lineSeparator() + "?)*";
    String expected =
        firstLine + System.lineSeparator() + secondLine + System.lineSeparator() + moreLines;
    assertThat(getStackTraceAsString(e)).matches(expected);
  }

  public void testGetCausalChain() {

            if (child != null) {
                children.add(child);
            }
        }

        if (children.isEmpty()) {
            return null;
        }

        String message = System.lineSeparator()
                + "The project " + (result.getProjectId().isEmpty() ? "" : result.getProjectId() + " ")
                + "(" + result.getPomFile() + ") has "

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 */
@Deprecated
public class ModelValidationResult {

    /** */
    private static final String LS = System.lineSeparator();

    /** */
    private List<String> messages;

    public ModelValidationResult() {
        messages = new ArrayList<>();
    }

    public int getMessageCount() {
        return messages.size();

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * Test the artifact resolution exception message
 *
 */
class ArtifactResolutionExceptionTest {
    private static final String LS = System.lineSeparator();

    @Test
    void testMissingArtifactMessageFormat() {
        String message = "Missing artifact";
        String indentation = "  ";
        String groupId = "aGroupId";

 * local or remote repositories.
 */
public class MultipleArtifactsNotFoundException extends ArtifactResolutionException {
    private static final String LS = System.lineSeparator();

    private final List<Artifact> resolvedArtifacts;
    private final List<Artifact> missingArtifacts;

    /**
     * @param originatingArtifact the artifact that was being resolved