public static Task <string> ReadText( this PathString path, Encoding?encoding, CancellationToken cancellationToken = default) => FileEx.ReadText(path, encoding, cancellationToken);
public static Task WriteText( this PathString path, string contents, Encoding?encoding = null, CancellationToken cancellationToken = default) => FileEx.WriteText(path, contents, encoding, cancellationToken);