Translate the following English sentence to French:
"This action plan is one of a set of five, each containing an exhaustive and coherent approach focused on the existing situation in a country of origin or transit of asylum-seekers which is regarded as being important."
Ce plan d' action fait partie d' un ensemble de cinq plans d' action, chacun couvre une approche exhaustive et cohérente centrée sur la situation existante dans un pays d' origine ou de transit des demandeurs d' asile, qui a été considérée importante.