src/vs/editor/common/model/bracketPairsTextModelPart/bracketPairsTree/brackets.ts/LanguageAgnosticBracketTokens/getSingleLanguageBracketTokens
class LanguageAgnosticBracketTokens:	getSingleLanguageBracketTokens(languageId: string): BracketTokens {
		let singleLanguageBracketTokens = this.languageIdToBracketTokens.get(languageId);
		if (!singleLanguageBracketTokens) {
			singleLanguageBracketTokens = BracketTokens.createFromLanguage(this.getLanguageConfiguration(languageId), this.denseKeyProvider);
			this.languageIdToBracketTokens.set(languageId, singleLanguageBracketTokens);
		}
		return singleLanguageBracketTokens;
	}