src/vs/editor/common/model/bracketPairsTextModelPart/bracketPairsTree/bracketPairsTree.ts/BracketPairsTree/getBracketsInRange
class BracketPairsTree:	public getBracketsInRange(range: Range): CallbackIterable<BracketInfo> {
		this.flushQueue();

		const startOffset = toLength(range.startLineNumber - 1, range.startColumn - 1);
		const endOffset = toLength(range.endLineNumber - 1, range.endColumn - 1);
		return new CallbackIterable(cb => {
			const node = this.initialAstWithoutTokens || this.astWithTokens!;
			collectBrackets(node, lengthZero, node.length, startOffset, endOffset, cb, 0, 0, new Map());
		});
	}