<PackageReference Include="Apache.Arrow" Version="22.0.0" />

Apache.Arrow.Decimal64Array

public int ByteWidth { get; }

public int Precision { get; }

public int Scale { get; }

public decimal? GetDecimal(int index)

public string GetString(int index)

public decimal? GetValue(int index)

public IList<decimal?> ToList(bool includeNulls = false)