FallbackHandler<T>
public Func<OutcomeArguments<T, HandleFallbackArguments>, ValueTask<Outcome<T>>> ActionGenerator { get; set; }
public FallbackHandler(PredicateInvoker<HandleFallbackArguments> ShouldHandle, Func<OutcomeArguments<T, HandleFallbackArguments>, ValueTask<Outcome<T>>> ActionGenerator, bool IsGeneric)
public void Deconstruct(out PredicateInvoker ShouldHandle, out Func ActionGenerator, out bool IsGeneric)
public ValueTask<Outcome<TResult>> GetFallbackOutcomeAsync<TResult>(OutcomeArguments<TResult, HandleFallbackArguments> args)