public string Concat_str_str_str_str(StringArguments size) => string.Concat(size.TestString1, size.TestString2, size.TestString3, size.TestString4);
public bool StartsWith(StringArguments size) => size.TestString1.StartsWith(size.Q1);
public char[] GetChars(StringArguments size) // the argument is called "size" to keep the old benchmark ID, do NOT rename it => size.TestString1.ToCharArray();
public bool Contains(StringArguments size) => size.TestString1.Contains(size.Q3);