*
 * @since 4.0.0
 */
@Experimental
public class ProjectBuilderException extends MavenException {
    /**
     * @param message the message to give
     * @param e the {@link Exception}
     */
    public ProjectBuilderException(String message, Exception e) {
        super(message, e);
    }

     *
     * @param message The detail message, may be {@code null}.
     * @param lifecyclePhase The name of the lifecycle phase that could not be located, may be {@code null}.
     */
    public LifecyclePhaseNotFoundException(String message, String lifecyclePhase) {
        super(message);
        this.lifecyclePhase = (lifecyclePhase != null) ? lifecyclePhase : "";
    }

        return model;
    }

    private boolean containsCoordinates(String message, String groupId, String artifactId, String version) {
        return message != null
                && (groupId == null || message.contains(groupId))
                && (artifactId == null || message.contains(artifactId))
                && (version == null || message.contains(version));
    }

     *
     * @return the exception that caused this problem or {@code null} if not applicable
     */
    @Nullable
    Exception getException();

    /**
     * Gets the message that describes this problem.
     *
     * @return the message describing this problem, never {@code null}
     */
    @Nonnull
    String getMessage();

    /**
     * Gets the severity level of this problem.
     *

    @Override
    public void setSource(String source) {
        this.source = source;
    }

    @Override
    public void add(Problem.Severity severity, String message, int line, int column, Exception cause) {
        Problem problem = new DefaultProblem(message, severity, source, line, column, cause);

        problems.add(problem);
    }

                if (relocation.target == SENTINEL) {
                    String message = "The artifact " + original + " has been banned from resolution: "
                            + (relocation.global ? "User global ban" : "User project ban");
                    LOGGER.debug(message);
                    throw new ArtifactDescriptorException(artifactDescriptorResult, message);
                }
                Artifact result = new RelocatedArtifact(

        }
        return null;
    }

    public static class CycleDetectedException extends Exception {
        private final List<String> cycle;

        CycleDetectedException(String message, List<String> cycle) {
            super(message);
            this.cycle = cycle;
        }

        public List<String> getCycle() {
            return cycle;
        }

        @Override
        public String getMessage() {

    }

    private static void notBlank(String str, String message) {
        final int strLen = str != null ? str.length() : 0;
        if (strLen > 0) {
            for (int i = 0; i < strLen; i++) {
                if (!Character.isWhitespace(str.charAt(i))) {
                    return;
                }
            }
        }
        throw new IllegalArgumentException(message);
    }

            return version1.compareTo(version2) > 0 ? node1 : node2;
        } catch (OverConstrainedVersionException exception) {
            // TODO log message or throw exception?

            return null;
        }
    }

        }
    }

    @Override
    public void artifactDescriptorInvalid(RepositoryEvent event) {
        // The exception stack trace is not really interesting here
        // but the message itself may be quite details and span multiple
        // lines with errors in it, so only display it at debug level.
        String msg = "The POM for {} is invalid, transitive dependencies (if any) will not be available: {}";