namespace System.Reflection { internal sealed class NullabilityInfoContext { public System.Reflection.NullabilityInfo Create(ParameterInfo parameterInfo); public System.Reflection.NullabilityInfo Create(PropertyInfo propertyInfo); public System.Reflection.NullabilityInfo Create(EventInfo eventInfo); public System.Reflection.NullabilityInfo Create(FieldInfo fieldInfo); public NullabilityInfoContext(); } }