'QStringList QString::split(const QString&, QString::SplitBehavior, Qt::CaseSensitivity) const' is deprecated: Use Qt::SplitBehavior variant instead [-Wdeprecated-declarations]

'FastWriter' is deprecated: Use StreamWriterBuilder instead [-Wdeprecated-declarations]

'Reader' is deprecated: Use CharReader and CharReaderBuilder instead. [-Wdeprecated-declarations]