|| descriptor.getRequiredMavenVersion().trim().isEmpty();

            if (isBlankVersion) {
                // only take value from underlying POM if plugin descriptor has no explicit Maven requirement
                descriptor.setRequiredMavenVersion(artifact.getProperty("requiredMavenVersion", null));
            }

            return descriptor;

 */
@Experimental
public interface Source {

    /**
     * Provides access the file to be parsed, if this source is backed by a file.
     *
     * @return the underlying {@code Path}, or {@code null} if this source is not backed by a file
     */
    @Nullable
    Path getPath();

    /**
     * Creates a new byte stream to the source contents.

        }
    }

    @Override
    public void addResource(@Nonnull Project project, @Nonnull ProjectScope scope, @Nonnull Resource resource) {
        // TODO: we should not modify the underlying model here, but resources should be stored
        // TODO: in a separate field in the project, however, that could break v3 plugins
        MavenProject prj = getMavenProject(nonNull(project, "project"));

      <fields>
        <field xml.attribute="true" xml.tagName="modelVersion">
          <name>modelVersion</name>
          <version>1.1.0+</version>
          <type>String</type>
          <description>The version of the underlying metadata model.</description>
        </field>
        <field>
          <name>groupId</name>
          <version>1.0.0+</version>
          <type>String</type>

    }

    /**
     * Gets the file of this source.
     *
     * @return The underlying file, never {@code null}.
     * @deprecated Use {@link #getPath()} instead.
     */
    @Deprecated
    public File getFile() {
        return path.toFile();
    }

    /**
     * Gets the file of this source.
     *
     * @return The underlying file, never {@code null}.
     * @since 4.0.0
     */
    public Path getPath() {

        return url.openStream();
    }

    @Override
    public String getLocation() {
        return url.toString();
    }

    /**
     * Gets the URL of this source.
     *
     * @return The underlying URL, never {@code null}.
     */
    public URL getUrl() {
        return url;
    }

    @Override
    public String toString() {
        return getLocation();
    }

    @Override