<PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.1" />

System.Configuration.IntegerValidator

Provides validation of an Int32 value.
namespace System.Configuration { public class IntegerValidator : ConfigurationValidatorBase { public IntegerValidator(int minValue, int maxValue); public IntegerValidator(int minValue, int maxValue, bool rangeIsExclusive); public IntegerValidator(int minValue, int maxValue, bool rangeIsExclusive, int resolution); } }