* defined as plugins).
     *
     * @param classLoadingStrategy a classLoadingStrategy object.
     */
    public void setClassLoadingStrategy(String classLoadingStrategy) {
        this.classLoadingStrategy = classLoadingStrategy;
    } // -- void setClassLoadingStrategy( String )

    /**
     * Set the group ID of the extension's artifact.
     *
     * @param groupId a groupId object.
     */

        oldExtension.setArtifactId(extension.getArtifactId());
        oldExtension.setVersion(extension.getVersion());
        if (extension.getClassLoadingStrategy() != null) {
            oldExtension.setClassLoadingStrategy(extension.getClassLoadingStrategy());
        }
        this.extension = oldExtension;
    }

    public CoreExtension getExtension() {
        return extension;
    }

                coreExtension.setVersion(interpolatedTrimmed(parser.nextText(), "version"));
            } else if (checkFieldWithDuplicate(parser, "classLoadingStrategy", null, parsed)) {
                coreExtension.setClassLoadingStrategy(interpolatedTrimmed(parser.nextText(), "classLoadingStrategy"));
            } else {
                checkUnknownElement(parser, strict);
            }
        }
        return coreExtension;