ExpressionParsing::PlainAccessorFactory::IKit Node1 ExpressionParsing:: PlainAccessorFactory::IKit + ~IKit() + createAccessor() + registerReadKey() Node2 ExpressionParsing:: PlainAccessorFactory ::PlainValueKit< T, T _variable_type > + createAccessor() + registerReadKey() Node1->Node2 Node3 ExpressionParsing:: PlainAccessorFactory ::StdVectorKit< T, T _variable_type > + createAccessor() + registerReadKey() Node1->Node3