The class before reformatting was applied

Class1.cs

namespace MessyClassLibrary {
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;

    public class Class1 {
        public Class1() {
        }

        public string GetFullName(string firstName,
                                  string lastName) {
            return $"{firstName} {lastName}";
        }
    }
}