Private (incr_map.incr_map.collate.Incr_map

val create : 
  data:('k * 'v) Opaque_map.t ->
  num_filtered_rows:int ->
  key_range:'k Collate_params.Which_range.t ->
  rank_range:int Collate_params.Which_range.t ->
  num_before_range:int ->
  range_widened_by:(int * int) ->
  num_unfiltered_rows:int ->
  ('k, 'v) t @@ portable

module Stable : sig ... end