Possible null reference argument for parameter 'instance' in 'object? Property.GetValue(object instance)'.

Possible null reference argument for parameter 'value' in 'List<ExcelColumnInfo> CustomPropertyHelper.GetColumnInfoFromValue(object value, MiniExcelConfiguration configuration)'.

Possible null reference argument for parameter 'formatString' in 'ExcelNumberFormat.ExcelNumberFormat(string formatString)'.

Possible null reference return.

Possible null reference argument for parameter 'prop' in 'CellWriteInfo.CellWriteInfo(object value, int cellIndex, ExcelColumnInfo prop)'.

Possible null reference argument for parameter 'value' in 'CellWriteInfo.CellWriteInfo(object value, int cellIndex, ExcelColumnInfo prop)'.

Non-nullable field '_keys' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Dereference of a possibly null reference.

Dereference of a possibly null reference.