Motion, insofar as it seeks leave to appeal from so much of the order of the Appellate Division as affirmed the denial of petitioner’s application to stay arbitration, granted; motion, insofar as it seeks leave to appeal from so much of the order of the Appellate Division as affirmed the denial of petitioner’s motions to compel joinder and discovery, dismissed upon the ground that those parts of the order are nonfinal (Cohen and Karger, Powers of the New York Court of Appeals, §§ 31, 38, 39).