refactor: use string.IsNullOrEmpty when checking for empty strings
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Comparing a string against an empty string literal is valid and is the preferred way in languages such as Go and Python. In C# however, it is recommended that you use the convenience methods such as `string.IsNullOrWhiteSpace` or `string.IsNullOrEmpty` as they offer slightly better performance when compared to other traditional/naive implementations.
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Comparing a string against an empty string literal is valid and is the preferred way in languages such as Go and Python. In C# however, it is recommended that you use the convenience methods such as
string.IsNullOrWhiteSpaceorstring.IsNullOrEmptyas they offer slightly better performance when compared to other traditional/naive implementations.