/** @brief Change the value of a 'property' element from the effect node. */
static void setProperty(QDomElement effect, const QString &name, const QString &value);
/** @brief Rename a 'property' element from the effect node. */
/** @brief Change the value of a 'property' element from the effect node. */
static void setProperty(QDomElement effect, const QString &name, const QString &value);
/** @brief Rename a 'property' element from the effect node. */