One step of the derived update plan: a parameter's update, or one learner-state slot's update.
122family UpdateStep : Type 0
123constructor UpdateParameter
124field unrestricted updateStepParameter : (family ParameterIdentity)
125constructor UpdateLearnerState
126field unrestricted updateStepState : (family LearnerStateSlot)The compiler supplied declaration spans and resolved links from this source snapshot. This page does not assert that this file belongs to a checked closure.