ExpressionParsing::BaseAccessor Node1 ExpressionParsing:: BaseAccessor - m_variableType + BaseAccessor() + variableType() + throwInvalidHandle() + throwVectorContainsNotOne Element() Node2 ExpressionParsing:: IAccessor + ~IAccessor() + variableType() + loadInt() + loadDouble() + loadVecInt() + loadVec() Node2->Node1