_arrmode _created _doc _err _fs _nodeCount _numAsStr _stack _strbuf clear createStream document getError hasNum Impl readBool readDouble readDoubleArray readFloat readFloatArray readInt readIntArray readNode readString save saveNumberAsString setArrayMode setError stringify writeBool writeDouble writeDoubleArray writeFloat writeFloatArray writeInt writeIntArray writeNode writeString writeUInt ~Impl

_err const char* MgJsonStorage::Impl::_err private