}
            plugin.extends.each { Element e ->
                def targetClass = e.'@targetClass'
                if (!targetClass) {
                    throw new RuntimeException("No targetClass specified for extension provided by plugin '$pluginId'.")
                }
                def extension = extensions[targetClass]
                if (!extension) {

     *
     * @param targetClass
     *            the target class
     */
    private void setupFieldDescsByClass(final Class<?> targetClass) {
        addFieldDescs(targetClass);
        for (final Class<?> intf : targetClass.getInterfaces()) {
            setupFieldDescsByInterface(intf);
        }
        final Class<?> superClass = targetClass.getSuperclass();

                            valueClass == null ? null : valueClass.getName(), valueClass == null ? null : valueClass.getClassLoader(),
                            value, targetClass == null ? null : targetClass.getName(),
                            targetClass == null ? null : targetClass.getClassLoader()),
                    e);
        }
    }

    /**
     * Checks if the given field is an instance field.
     *

            final Class<?> targetClass;
            if (value.getClass() != String.class) {
                targetClass = value.getClass();
            } else {
                targetClass = destPropertyClass;
            }
            if (targetClass == null) {
                return value;
            }
            for (final Class<?> clazz : iterable(targetClass, false)) {

                                    valueClass == null ? null : valueClass.getClassLoader(), convertedValue,
                                    targetClass == null ? null : targetClass.getName(),
                                    targetClass == null ? null : targetClass.getClassLoader() }).initCause(t);
                }
            } else {
                FieldUtil.set(field, target, convertedValue);
            }