</field>
        <field>
          <name>checksumPolicy</name>
          <version>1.0.0</version>
          <description>
            What to do when verification of an artifact checksum fails. Valid values are "fail" (default for Maven 4 and
            above), "warn" (default for Maven 2 and 3) or "ignore".
          </description>
          <type>String</type>
        </field>
      </fields>
    </class>

                    return mirror;
                }
            }
        }

        return null;
    }

    /**
     * This method checks if the pattern matches the originalRepository. Valid patterns:
     * <ul>
     * <li>{@code *} (since 2.0.5)= everything,</li>
     * <li>{@code external:*}  (since 2.0.9)= everything not on the localhost and not file based,</li>

        </field>
        <field>
          <name>checksumPolicy</name>
          <version>1.0.0+</version>
          <description>
            What to do when verification of an artifact checksum fails. Valid values are "fail" (default for Maven 4 and
            above), "warn" (default for Maven 2 and 3) or "ignore".
          </description>
          <type>String</type>
        </field>
      </fields>
    </class>

When a plugin has a complete and valid configuration, the plugin would be looked up in the Plexus container and be ready to perform any operations requested of it.

h3. Execution of the plugin