Party's allegation of relatedness between a declaratory action arguing the illegality of the exercise of a withdrawal right and a declaratory action arguing the ineffectiveness of an arbitration clause. Jurisdiction of the Chambers comprising the 6th, 8th, 9th, and 10th Civil Groups, pursuant to Article 11, § 2º, of Resolution No. 01/98, as amended by Resolution No. 01/15 of the Special Body of the Appellate Court of the State of Rio Grande do Sul: