<type>String</type>
        </field>
        <field>
          <name>version</name>
          <version>4.0.0+</version>
          <required>true</required>
          <description>The current version of the artifact produced by this project.</description>
          <type>String</type>
        </field>
        <field>
          <name>packaging</name>
          <version>4.0.0+</version>

          <type>String</type>
          <description></description>
        </field>
        <field xml.tagName="role-hint">
          <name>roleHint</name>
          <version>1.0.0+</version>
          <type>String</type>
          <description></description>
        </field>
        <field xml.tagName="field-name">
          <name>fieldName</name>
          <required>true</required>

            In particular this includes all subpackages. Despite the element name one can also only expose individual classes of a particular package by adding its binary name as value.
          ]]></description>
        </field>
        <field>
          <name>exportedArtifacts</name>
          <version>1.0.0</version>
          <association>
            <type>String</type>
            <multiplicity>*</multiplicity>
          </association>

          <type>String</type>
          <required>true</required>
        </field>
        <field>
          <version>1.0.0</version>
          <name>configuration</name>
          <description>The place and syntax used to change the value of this expression.</description>
          <type>String</type>
        </field>
        <field>
          <version>1.0.0</version>
          <name>cliOptions</name>

      <version>1.0.0+</version>
      <fields>
        <field>
          <name>toolchains</name>
          <version>1.0.0+</version>
          <description>The toolchain instance definition.</description>
          <association xml.itemsStyle="flat">
            <type>ToolchainModel</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>
      </fields>
    </class>
    <class>

      <version>1.0.0</version>
      <description>A single supplement</description>
      <fields>
        <field>
          <name>project</name>
          <version>1.0.0</version>
          <description>Snippets of POM xml files used to supplement the data model.</description>
          <type>DOM</type>
        </field>
      </fields>
    </class>
  </classes>

            <multiplicity>*</multiplicity>
          </association>
        </field>
        <field>
          <name>sourceEncoding</name>
          <version>1.1.0</version>
          <description>
            Source encoding of the remote resources contained in the bundle.
          </description>
          <type>String</type>
        </field>
      </fields>
    </class>
  </classes>

/**
 * The annotated element must not be null.
 * <p>
 * Annotated fields must not be null after construction has completed.
 * <p>
 * When this annotation is applied to a method it applies to the method return value.
 *
 * @see Nullable
 * @since 4.0.0
 */
@Experimental
@Documented
@Retention(RetentionPolicy.CLASS)
@Target({ElementType.FIELD, ElementType.PARAMETER, ElementType.METHOD})

 * container: this annotation is only effective on fields of the Mojo class itself, nested bean injection
 * requires Sisu or JSR330 annotations.
 *
 * @since 4.0.0
 */
@Experimental
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.METHOD})
@Inherited
public @interface Parameter {
    /**
     * name of the bean property used to get/set the field: by default, field name is used.

            InputSource v4src = loc != null ? loc.getSource() : null;
            if (v4src != null) {
                try {
                    Field field = InputSource.class.getDeclaredField("modelId");
                    field.setAccessible(true);
                    field.set(v4src, ModelProblemUtils.toId(model));
                } catch (Throwable t) {
                    // TODO: use a lazy source ?