src/vs/editor/common/model/bracketPairsTextModelPart/bracketPairsTree/tokenizer.ts/TextBufferTokenizer/read
class TextBufferTokenizer:	read(): Token | null {
		let token: Token | null;
		if (this.peeked) {
			this.didPeek = false;
			token = this.peeked;
		} else {
			token = this.reader.read();
		}
		if (token) {
			this._offset = lengthAdd(this._offset, token.length);
		}
		return token;
	}