Using directive should appear within a namespace declaration (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1200.md)

'protected' members should come before 'private' members (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1202.md)

Braces should not be omitted (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1503.md)

Use trailing comma in multi-line initializers (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1413.md)

Possible null reference argument for parameter 'member' in 'bool ReflectionExtensions.HasAttribute<DataContractAttribute>(MemberInfo member)'.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'name' in 'FieldInfo? Type.GetField(string name)'.

Possible null reference argument for parameter 'member' in 'string ReflectionExtensions.GetEnumMemberName(MemberInfo member)'.

Possible null reference argument for parameter 'method' in 'MethodCallExpression Expression.Call(Expression? instance, MethodInfo method, Expression arg0, Expression arg1)'.