.FluxTrainingRunFirst
	
struct defined in module 
	FluxTraining
			abstract type RunFirst <: ConflictResolution
			Return 
			RunFirst(cb1/cb2) from 
	
			
			resolveconflict
			(cb1, cb2) to indicate that one of the callbacks should always run before the other.
There is
			1
			method for FluxTraining.RunFirst:
		
The following pages link back here:
callbacks/callback.jl , callbacks/graph.jl , callbacks/scheduler.jl