def get_map_class_signature(deploy_annotations):
  """
  Returns for every class its signature as defined in the cost annotations
  """
  class_to_signature = {}
  for i in deploy_annotations:
    class_name = i["class"]
    for j in i["scenarios"]:
      if j["name"]:
        class_to_signature[(class_name,j["name"])] = j["sig"]
  return class_to_signature