this.delegate = delegate;
    }

    @Override
    public void publish(MavenNormalizedPublication publication, MavenArtifactRepository artifactRepository) {
        validateIdentity(publication);
        validateArtifacts(publication);
        checkNoDuplicateArtifacts(publication);

        delegate.publish(publication, artifactRepository);
    }

    private void validateIdentity(MavenNormalizedPublication publication) {

    }

    @Override
    public void publish(IvyNormalizedPublication publication, IvyArtifactRepository repository) {
        validateMetadata(publication);
        validateArtifacts(publication);
        checkNoDuplicateArtifacts(publication);
        delegate.publish(publication, repository);
    }

    private void validateMetadata(IvyNormalizedPublication publication) {

            checkErrors();
            maybeAddDefaultConfiguration();
            replaceConfigurationWildcards();
            maybeAddDefaultArtifact();
            validateConfigurations();
            validateArtifacts();
            validateExcludes();
            getMd().check();
        }

        private void validateConfigurations() {
            for (Configuration configuration : getMd().getConfigurations()) {