What is the test for ineffective counsel in a civil case?

" ' "[If] the record on appeal sheds no light on why counsel acted or failed to act in the manner challenged[,] . . . unless counsel was asked for an explanation and failed to provide one, or unless there simply could be no satisfactory explanation," the claim on appeal must be rejected.' [Citations.] A claim of ineffective assistance in such a case is

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more appropriately decided in a habeas corpus proceeding. [Citations.]" (People v. Mendoza Tello (1997) 15 Cal.4th 264, 266-267.)