src/vs/editor/common/services/unicodeTextModelHighlighter.ts/CodePointHighlighter/constructor
class CodePointHighlighter:	constructor(private readonly options: UnicodeHighlighterOptions) {
		this.allowedCodePoints = new Set(options.allowedCodePoints);
		this.ambiguousCharacters = strings.AmbiguousCharacters.getInstance(new Set(options.allowedLocales));
	}