validateStringNotEmpty(
                    "parent.artifactId", problems, Severity.FATAL, Version.BASE, parent.getArtifactId(), parent);

            if (equals(parent.getGroupId(), m.getGroupId()) && equals(parent.getArtifactId(), m.getArtifactId())) {
                addViolation(
                        problems,
                        Severity.FATAL,
                        Version.BASE,

        //

        String groupId = getGroupId(candidateModel);
        String artifactId = candidateModel.getArtifactId();

        if (groupId == null
                || !groupId.equals(parent.getGroupId())
                || artifactId == null
                || !artifactId.equals(parent.getArtifactId())) {
            StringBuilder buffer = new StringBuilder(256);
            buffer.append("'parent.relativePath'");

                        .filter(project -> firstFailedProject.getArtifactId().equals(project.getArtifactId()))
                        .count()
                > 1;

        if (hasOverlappingArtifactId) {
            return firstFailedProject.getGroupId() + ":" + firstFailedProject.getArtifactId();
        }

        return ":" + firstFailedProject.getArtifactId();
    }

    private void logSummary(