// -----------/
    // - Methods -/
    // -----------/

    /**
     * Method addExtension.
     *
     * @param coreExtension a coreExtension object.
     */
    public void addExtension(CoreExtension coreExtension) {
        getExtensions().add(coreExtension);
    } // -- void addExtension( CoreExtension )

    /**
     * Method getExtensions.
     *
     * @return List
     */

                    if (!extensionId) {
                        throw new RuntimeException("No id specified for extension '$extensionClass' for plugin '$pluginId'.")
                    }
                    extension.addExtension(pluginId, extensionId, extensionClass)
                }
            }
        }
        return extensions
    }

    def mergeContent(Element typeTable, DslDocModel model) {