Message in German (Deutsch)
Implementieren Sie die Methode 'Add(<var>Y</var>)' in '<var>X</var>', da diese von '<var>Z</var>' erbt.
Unlocalized message
To be XML serializable, types which inherit from <var>Z</var> must have an implementation of Add(<var>Y</var>) at all levels of their inheritance hierarchy. <var>X</var> does not implement Add(<var>Y</var>).
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