src/vs/editor/common/model/bracketPairsTextModelPart/bracketPairsTree/brackets.ts/BracketTokens/findClosingTokenText
class BracketTokens:	findClosingTokenText(openingBracketIds: SmallImmutableSet<OpeningBracketId>): string | undefined {
		for (const [closingText, info] of this.map) {
			if (info.bracketIds.intersects(openingBracketIds)) {
				return closingText;
			}
		}
		return undefined;
	}