+ *@ATK_RELATION_DETAILS: Reciprocal of %ATK_RELATION_DETAILS_FOR. Indicates that this object
+ * has a detailed or extended description, the contents of which can be found in the target
+ * object(s). This relation type is most appropriate for information that is sufficiently
+ * lengthy as to make navigation to the container of that information desirable. For less
+ * verbose information suitable for announcement only, see %ATK_RELATION_DESCRIBED_BY. If
+ * the detailed information describes an error condition, %ATK_RELATION_ERROR_FOR should be
+ * used instead. @Since: ATK-2.26.
+ *@ATK_RELATION_DETAILS_FOR: Reciprocal of %ATK_RELATION_DETAILS. Indicates that this object
+ * provides a detailed or extended description about the target object(s). See also
+ * %ATK_RELATION_DESCRIPTION_FOR and %ATK_RELATION_ERROR_FOR. @Since: ATK-2.26.
+ *@ATK_RELATION_ERROR_MESSAGE: Reciprocal of %ATK_RELATION_ERROR_FOR. Indicates that this object
+ * has one or more errors, the nature of which is described in the contents of the target
+ * object(s). Objects that have this relation type should also contain %ATK_STATE_INVALID_ENTRY
+ * in their #AtkStateSet. @Since: ATK-2.26.
+ *@ATK_RELATION_ERROR_FOR: Reciprocal of %ATK_RELATION_ERROR_MESSAGE. Indicates that this object
+ * contains an error message describing an invalid condition in the target object(s). @Since:
+ * ATK_2.26.