*/
@Experimental
public interface Interpolator extends Service {

    /**
     * Interpolates the values in the given map using the provided callback function.
     * This method defaults to setting empty strings for unresolved placeholders.
     *
     * @param properties The map containing key-value pairs to be interpolated.
     * @param callback The function to resolve variable values not found in the map.
     */

     * Plugins can choose to report a warning to users when unresolved paths exist.
     */
    PathType UNRESOLVED = new PathType() {
        @Override
        public String name() {
            return "UNRESOLVED";
        }

        @Override
        public String id() {
            return "UNRESOLVED";
        }

        @Override
        public Optional<String> option() {

     * from any repository but are present among the set of specified projects will not cause an exception. Instead,
     * those unresolved artifacts will be returned in the result set, allowing the caller to take special care of
     * artifacts that haven't been build yet.
     *
     * @param projects The projects whose dependencies should be resolved, may be {@code null}.

        when (proxy) {
          Proxy.NO_PROXY -> append(" at ")
          else -> append(" via proxy ")
        }

        when {
          socketHostname == null -> append("<unresolved>")
          ':' in socketHostname -> append("[").append(socketHostname).append("]")
          else -> append(socketHostname)
        }
        append(":")
        append(socketAddress.port)
      }
    }

    private String deploymentTimestamp;

    @Override
    public void transformForResolve(Artifact artifact, RepositoryRequest request) throws ArtifactResolutionException {
        // Only select snapshots that are unresolved (eg 1.0-SNAPSHOT, not 1.0-20050607.123456)
        if (artifact.isSnapshot() && artifact.getBaseVersion().equals(artifact.getVersion())) {
            try {
                String version = resolveVersion(artifact, request);

    }

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

    public boolean isResolved() {
        return resolved;
    }

    public void setResolved(boolean resolved) {
        this.resolved = resolved;
    }

    public String getUri() {
        return uri;
    }

    public void setUri(String uri) {
        this.uri = uri;

        return depth;
    }

    public void setDepth(int depth) {
        this.depth = depth;
    }

    public boolean isResolved() {
        return resolved;
    }

    public void setResolved(boolean resolved) {
        this.resolved = resolved;
    }

    public int getPomOrder() {
        return pomOrder;
    }

    public void setPomOrder(int pomOrder) {

         * resolved despite {@link #getExceptions()} indicating transfer errors while trying to fetch the artifact from some
         * of the specified remote repositories.
         *
         * @return {@code true} if the artifact was resolved, {@code false} otherwise.
         */
        boolean isResolved();

        /**

    void selectVersion(String version);

    void setGroupId(String groupId);

    void setArtifactId(String artifactId);

    boolean isSnapshot();

    void setResolved(boolean resolved);

    boolean isResolved();

    void setResolvedVersion(String version);

    void setArtifactHandler(ArtifactHandler handler);

    boolean isRelease();

    void setRelease(boolean release);

        Sources.BuildPathSource source = (Sources.BuildPathSource) Sources.buildSource(basePath);
        ModelSource resolved = source.resolve(locator, "subproject");

        assertNotNull(resolved);
        assertInstanceOf(Sources.BuildPathSource.class, resolved);
        assertEquals(resolvedPath, resolved.getPath());

        verify(locator).locateExistingPom(any(Path.class));
    }

    @Test