}
        }

        if (!process.isEmpty()) {
            if (!restrictions.isEmpty()) {
                throw new InvalidVersionSpecificationException(
                        "Only fully-qualified sets allowed in multiple set scenario: " + spec);
            } else {
                version = new DefaultArtifactVersion(process);
                restrictions.add(Restriction.EVERYTHING);
            }
        }

        </field>
        <field>
          <name>implementation</name>
          <version>1.0.0+</version>
          <type>String</type>
          <description>
            The Mojo's fully-qualified class name (or script path in the case of non-Java Mojos).
          </description>
        </field>
        <field>
          <name>language</name>
          <version>1.0.0+</version>
          <type>String</type>

          <version>3.0.0+</version>
          <required>true</required>
          <description>
            A universally unique identifier for a project. It is normal to
            use a fully-qualified package name to distinguish it from other
            projects with a similar name (eg. {@code org.apache.maven}).
          </description>
          <type>String</type>
        </field>
        <field>

            if (snapshot.getTimestamp() != null && snapshot.getBuildNumber() > 0) {
                String qualifier = snapshot.getTimestamp() + '-' + snapshot.getBuildNumber();
                version = version.substring(0, version.length() - SNAPSHOT.length()) + qualifier;
            }
            merge(SNAPSHOT, infos, versioning.getLastUpdated(), version, repository);
        }
    }

            String version = artifact.getVersion();

            if (version.endsWith(SNAPSHOT)) {
                String qualifier = snapshot.getTimestamp() + '-' + snapshot.getBuildNumber();
                version = version.substring(0, version.length() - SNAPSHOT.length()) + qualifier;
            }

            SnapshotVersion sv = SnapshotVersion.newBuilder()
                    .classifier(artifact.getClassifier())