@type t() :: %Reach.Check.Changed.EntropyRegression{
  changed_locations: term(),
  delta: term(),
  file: term(),
  line: term(),
  new_entropy: term(),
  new_variants: term(),
  old_entropy: term(),
  old_variants: term(),
  parameter: term(),
  parameter_index: term(),
  target: term()
}