When the new Argus.Core version is released remove these and replace the calls with the Argus.Core versions (which are identical):
public static int SafeIndexOf(this ReadOnlySpan<char> span, ReadOnlySpan<char> value, int startIndex)
public static int IndexOf(this ReadOnlySpan<char> span, ReadOnlySpan<char> value, int startIndex)
When the new Argus.Core version is released remove these and replace the calls with the Argus.Core versions (which are identical):