*
     * @param session The session to use to resolve the model, must not be {@code null}.
     * @param parent The parent coordinates to resolve, must not be {@code null}.
     * @param modified a holder for the updated parent, must not be {@code null}.
     * @return The source of the requested POM, never {@code null}.
     * @throws ModelResolverException If the POM could not be resolved from any configured repository.
     */
    @Nonnull

     * provided model directly or to create a clone of the model and interpolate the clone. Callers should always use
     * the returned model and must not rely on the input model being updated.
     *
     * @param model The model to interpolate, must not be {@code null}.
     * @param projectDir The project directory, may be {@code null} if the model does not belong to a local project but

          <identifier>true</identifier>
        </field>
        <field>
          <name>updated</name>
          <version>1.1.0+</version>
          <type>String</type>
          <description>The timestamp when this version information was last updated. The timestamp is expressed using UTC in the format yyyyMMddHHmmss.</description>
          <identifier>true</identifier>
        </field>

                    .classifier(artifact.getClassifier())
                    .extension(artifact.getExtension())
                    .version(getVersion())
                    .updated(lastUpdated)
                    .build();
            versions.put(getKey(sv.getClassifier(), sv.getExtension()), sv);
        }

        Versioning versioning = recessive.getVersioning();

                    }
                } else {
                    update = updateCheckManager.isUpdateRequired(metadata, repository, file);
                }

                if (update) {
                    getLogger().info(metadata.getKey() + ": checking for updates from " + repository.getId());
                    try {

    }

    public void setPomPath(java.nio.file.Path pomPath) {
        update( getDelegate().withPomFile(pomPath));
    }

    public void setModelEncoding(String modelEncoding) {
        update(getDelegate().with().modelEncoding(modelEncoding).build());
    }

    /**
     * Gets the base directory for the corresponding project (if any).
     *

                    .classifier(artifact.getClassifier())
                    .extension(artifact.getExtension())
                    .version(version)
                    .updated(lastUpdated)
                    .build();

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

        artifacts.clear();

import org.apache.maven.api.services.model.ModelBuildingEvent;

/**
 * Holds data relevant for a model building event.
 */
record DefaultModelBuildingEvent(
        Model model, Consumer<Model> update, ModelBuilderRequest request, ModelProblemCollector problems)

     */
    @Nonnull
    Model getEffectiveModel();

    /**
     * Gets the specified raw model as it was read from a model source. Apart from basic validation, a raw model has not
     * undergone any updates by the model builder, e.g. reflects neither inheritance nor interpolation. The model
     * identifier should be from the collection obtained by {@link #getModelIds()}. As a special case, an empty string

            writer.write(artifact.getId());
        }

        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(artifact.getId().getBytes());
        byte[] digest = md.digest();

        String md5path = repository.pathOf(artifact) + ".md5";
        File md5artifactFile = new File(repository.getBasedir(), md5path);