--- a/include/DataTypeWriter.h	Sat Jul 14 13:14:20 2018 +0200
+++ b/include/DataTypeWriter.h	Sat Jul 14 17:11:40 2018 +0200
@@ -14,16 +14,11 @@
 	virtual ~DataTypeWriter() {
 	};
 
-	virtual T readValue(std::istream& input) = 0;
-
-	virtual string_t readString(std::istream &input);
-
 	virtual void writeValue(std::ostream& output, const T& value) = 0;
 
 	virtual void writeString(std::ostream& output, const string_t &stringValue);
 
 	virtual T toValue(const string_t &stringValue) = 0;
-	virtual string_t toString(const T& value) = 0;
 
 };