+/**
+ * \class ExchangePlugin_FormatValidator
+ * \ingroup Validators
+ * \brief Validator for the imported formats checking
+ *
+ * The configuration file of import/export features contains the information
+ * about which formats are supported and the extension of the associated files.
+ * This validator filters out files that are out of this description.
+ */
+class ExchangePlugin_FormatValidator : public ModelAPI_AttributeValidator