# System.Text.Unicode

``` diff
+namespace System.Text.Unicode {
+    public static class Utf8 {
+        public static OperationStatus FromUtf16(ReadOnlySpan<char> source, Span<byte> destination, out int charsRead, out int bytesWritten, bool replaceInvalidSequences = true, bool isFinalBlock = true);
+        public static OperationStatus ToUtf16(ReadOnlySpan<byte> source, Span<char> destination, out int bytesRead, out int charsWritten, bool replaceInvalidSequences = true, bool isFinalBlock = true);
+    }
+}
```

