<PackageReference Include="System.Text.Encodings.Web" Version="6.0.0-preview.7.21377.19" />

UnicodeDebug

static class UnicodeDebug
using System.Diagnostics; namespace System.Text { internal static class UnicodeDebug { [Conditional("DEBUG")] internal static void AssertIsBmpCodePoint(uint codePoint) { } [Conditional("DEBUG")] internal static void AssertIsHighSurrogateCodePoint(uint codePoint) { } [Conditional("DEBUG")] internal static void AssertIsLowSurrogateCodePoint(uint codePoint) { } [Conditional("DEBUG")] internal static void AssertIsValidCodePoint(uint codePoint) { } [Conditional("DEBUG")] internal static void AssertIsValidScalar(uint scalarValue) { } [Conditional("DEBUG")] internal static void AssertIsValidSupplementaryPlaneScalar(uint scalarValue) { } private static string ToHexString(uint codePoint) { return $"""{codePoint:""}"; } } }