//        setArtifactId( af.getArtifactId() );
    //        setVersion( af.getVersion() );
    //        setType( af.getType() );
    //        setScope( af.getScope() );
    //        setClassifier( af.getClassifier() );
    //        //setUri( af.getDownloadUrl() );
    //
    //        this.resolved = af.isResolved();
    //    }

    @Override
    public String toString() {

        return extension;
    }

    public void setExtension(final String extension) {
        this.extension = extension;
    }

    @Override
    public String getClassifier() {
        return classifier;
    }

    public void setClassifier(final String classifier) {
        this.classifier = classifier;
    }

    @Override
    public String getDirectory() {
        if (directory == null) {

        this.directory = directory;
    }

    @Override
    public String getDirectory() {
        return directory;
    }

    public void setClassifier(String classifier) {
        this.classifier = classifier;
    }

    @Override
    public String getClassifier() {
        return classifier;
    }

    public void setPackaging(String packaging) {
        this.packaging = packaging;
    }

    @Override

    public String getVersion() {
        return version;
    }

    public void setVersion(String version) {
        this.version = version;
    }

    public String getClassifier() {
        return classifier;
    }

    public void setClassifier(String classifier) {
        this.classifier = classifier;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {

        for (Artifact artifact : artifacts) {
            SnapshotVersion sv = new SnapshotVersion();
            sv.setClassifier(artifact.getClassifier());
            sv.setExtension(artifact.getExtension());
            sv.setVersion(getVersion());
            sv.setUpdated(lastUpdated);
            versions.put(getKey(sv.getClassifier(), sv.getExtension()), sv);
        }

        Versioning versioning = recessive.getVersioning();

            }

            SnapshotVersion sv = new SnapshotVersion();
            sv.setClassifier(artifact.getClassifier());
            sv.setExtension(artifact.getExtension());
            sv.setVersion(version);
            sv.setUpdated(lastUpdated);

            versions.put(getKey(sv.getClassifier(), sv.getExtension()), sv);
        }

        artifacts.clear();

        target.getVersioning().setSnapshot(snapshot);
        target.getVersioning().setLastUpdated("20200921071745");
        SnapshotVersion sv = new SnapshotVersion();
        sv.setClassifier("sources");
        sv.setExtension("jar");
        sv.setUpdated("20200710072412");
        target.getVersioning().addSnapshotVersion(sv);

        Metadata source = createMetadataFromArtifact(artifact);

        }

        public void setExtension(String extension) {
            this.extension = extension;
        }

        public String getClassifier() {
            return classifier;
        }

        public void setClassifier(String classifier) {
            this.classifier = classifier;
        }
    }

    public static class Project {
        private String modelVersion;

            return false;
        } else if (!a.getType().equals(getType())) {
            return false;
        } else {
            return a.getClassifier() == null
                    ? getClassifier() == null
                    : a.getClassifier().equals(getClassifier());
        }
    }

                + ":" + artifact.getArtifactId()
                + ":" + artifact.getArtifactHandler().getExtension()
                + (artifact.getClassifier() == null || artifact.getClassifier().isEmpty()
                        ? ""
                        : ":" + artifact.getClassifier())
                + ":" + artifact.getVersion();
    }

    private String id(Artifact artifact) {
        return artifact.key();
    }