src/vs/editor/common/model/bracketPairsTextModelPart/bracketPairsTree/bracketPairsTree.ts/BracketPairsTree/getBracketsInRange
class BracketPairsTree:	public getBracketsInRange(range: Range): BracketInfo[] {
		const startOffset = toLength(range.startLineNumber - 1, range.startColumn - 1);
		const endOffset = toLength(range.endLineNumber - 1, range.endColumn - 1);
		const result = new Array<BracketInfo>();
		const node = this.initialAstWithoutTokens || this.astWithTokens!;
		collectBrackets(node, lengthZero, node.length, startOffset, endOffset, result, 0, new Map());
		return result;
	}