ObjFW  Check-in [a1bfe7c4b7]

 * \brief Removes all children and adds the children from the specified array.
 *
 * \param children The new children to add
 */
- (void)setChildren: (OFArray*)children;

/**
 * \brief Returns an array with all children of the element.
 * \brief Returns an array of OFXMLNodes with all children of the element.
 *
 * \return An array with all children of the element
 * \return An array of OFXMLNodes with all children of the element
 */
- (OFArray*)children;

/**
 * \brief Removes all children and sets the string value to the specified
 *	  string.
 *