<type>Notifier</type>
          </association>
        </field>
      </fields>
    </class>
    <class>
      <name>Notifier</name>
      <description>Configures one method for notifying users/developers when a build breaks.</description>
      <version>4.0.0+</version>
      <fields>
        <field>
          <name>type</name>
          <version>4.0.0+</version>

              <exclude>org.apache.maven.toolchain.DefaultToolchain#getLog():METHOD_RETURN_TYPE_CHANGED</exclude>
              <exclude>org.apache.maven.toolchain.DefaultToolchain#DefaultToolchain(org.apache.maven.toolchain.model.ToolchainModel,org.codehaus.plexus.logging.Logger):CONSTRUCTOR_REMOVED</exclude>

        <field xdoc.separator="blank">
          <name>servers</name>
          <version>1.0.0+</version>
          <description>
            Configuration of server-specific settings, mainly authentication
            method. This allows configuration of authentication on a per-server
            basis.
          </description>
          <association>
            <type>Server</type>
            <multiplicity>*</multiplicity>