themselves:

+-----+
<plugins>
  <plugin>
   <id>xdoc</id>
   <version>1.0</version>
   <parameters>
     <parameter>
       <name>theme</name>
       <value>classic</value>
     </parameter>
   </parameters>
  </plugin>
</plugins>
+-----+

Unified source directory

 Unified source directory structure that is analogous to the repository

 ({{{./xref/org/apache/maven/plugin/internal/DefaultMavenPluginManager.html}source}}),

 * {{{./apidocs/org/apache/maven/plugin/PluginParameterExpressionEvaluator.html}PluginParameterExpressionEvaluator}}, used to
 evaluate plugin parameters values during Mojo configuration,

 * <<<ExceptionHandler>>> component ({{{./apidocs/org/apache/maven/exception/ExceptionHandler.html}javadoc}}),
 with its <<<DefaultExceptionHandler>>> implementation

    <module>maven-model</module>
    <module>maven-monitor</module>
    <module>maven-plugin-api</module>
    <module>maven-plugin-descriptor</module>
    <module>maven-plugin-parameter-documenter</module>
    <module>maven-plugin-registry</module>
    <module>maven-plugin-tools</module>
    <module>maven-profile</module>
    <module>maven-project</module>
    <module>maven-reporting</module>

  all settings-related information passed into the system.

** Control over downloads

  Find the control point for m2 using maven-wagon. At this point, inject
  a offline status parameter which is used when retrieving the specific Wagon.

  If <<<offline == true>>>:

  * If the wagon is not bound to "file://", then ignore the request and print
    a debug message.