Can a district judge designate a magistrate judge to hear any nondispositive pretrial matter pending before the court?

"[A] district judge may designate a magistrate judge to hear any nondispositive pretrial matter pending before the court." Estate of Connors ex rel. Meredith v. O'Connor, 6 F.3d 656, 658 (9th Cir. 1993); see also 28 U.S.C. 636(b)(1)(A). Under 28 U.S.C. 636(b)(1)(B), a district judge may also authorize a magistrate judge to "conduct hearings, including evidentiary hearings, and to submit to a

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judge of the court proposed findings of fact and recommendations for the disposition" of motions that the magistrate judge lacks the authority to decide under 636(b)(1)(a). As we have noted:

Reynaga v. Cammisa, 971 F.2d 414, 416 (9th Cir. 1992) (quoting 28 U.S.C. 636(b)(1)).