Process completed with exit code 1.

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

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

Converting null literal or possible null value to non-nullable type.

Possible null reference argument for parameter 'typeArguments' in 'Type Type.MakeGenericType(params Type[] typeArguments)'.

Async-iterator 'OpenXmlImporter.CastAsync(IAsyncEnumerable<dynamic>, CancellationToken)' has one or more parameters of type 'CancellationToken' but none of them is decorated with the 'EnumeratorCancellation' attribute, so the cancellation token parameter from the generated 'IAsyncEnumerable<>.GetAsyncEnumerator' will be unconsumed

Nullability of reference types in return type of 'object? MiniExcelDataReaderBase.this[string name].get' doesn't match implicitly implemented member 'object IDataRecord.this[string name].get' (possibly because of nullability attributes).

Nullability of reference types in return type of 'object? MiniExcelDataReaderBase.this[int i].get' doesn't match implicitly implemented member 'object IDataRecord.this[int i].get' (possibly because of nullability attributes).

Nullability of reference types in return type of 'object? MiniExcelDataReaderBase.GetValue(int i)' doesn't match implicitly implemented member 'object IDataRecord.GetValue(int i)' (possibly because of nullability attributes).

Nullability of reference types in return type of 'IDataReader? MiniExcelDataReaderBase.GetData(int i)' doesn't match implicitly implemented member 'IDataReader IDataRecord.GetData(int i)' (possibly because of nullability attributes).

'MiniExcelAsyncDataReader.DisposeAsync()' hides inherited member 'MiniExcelDataReaderBase.DisposeAsync()'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword.

Possible null reference argument for parameter 'key' in 'object IDictionary<string, object>.this[string key]'.

Possible null reference argument for parameter 'name' in 'int IDataRecord.GetOrdinal(string name)'.

Converting null literal or possible null value to non-nullable type.

Possible null reference argument for parameter 'typeArguments' in 'Type Type.MakeGenericType(params Type[] typeArguments)'.

Async-iterator 'OpenXmlImporter.CastAsync(IAsyncEnumerable<dynamic>, CancellationToken)' has one or more parameters of type 'CancellationToken' but none of them is decorated with the 'EnumeratorCancellation' attribute, so the cancellation token parameter from the generated 'IAsyncEnumerable<>.GetAsyncEnumerator' will be unconsumed

Nullability of reference types in return type of 'object? MiniExcelDataReaderBase.this[string name].get' doesn't match implicitly implemented member 'object IDataRecord.this[string name].get' (possibly because of nullability attributes).

Nullability of reference types in return type of 'object? MiniExcelDataReaderBase.this[int i].get' doesn't match implicitly implemented member 'object IDataRecord.this[int i].get' (possibly because of nullability attributes).

Nullability of reference types in return type of 'object? MiniExcelDataReaderBase.GetValue(int i)' doesn't match implicitly implemented member 'object IDataRecord.GetValue(int i)' (possibly because of nullability attributes).

Nullability of reference types in return type of 'IDataReader? MiniExcelDataReaderBase.GetData(int i)' doesn't match implicitly implemented member 'IDataReader IDataRecord.GetData(int i)' (possibly because of nullability attributes).