(module (srfi 146)
        (mapping mapping-unfold
         mapping/ordered mapping-unfold/ordered
         mapping? mapping-contains? mapping-empty? mapping-disjoint?
         mapping-ref mapping-ref/default mapping-key-comparator
         mapping-adjoin mapping-adjoin!
         mapping-set mapping-set!
         mapping-replace mapping-replace!
         mapping-delete mapping-delete! mapping-delete-all mapping-delete-all!
         mapping-intern mapping-intern!
         mapping-update mapping-update! mapping-update/default mapping-update!/default
         mapping-pop mapping-pop!
         mapping-search mapping-search!
         mapping-size mapping-find mapping-count mapping-any? mapping-every?
         mapping-keys mapping-values mapping-entries
         mapping-map mapping-map->list mapping-for-each mapping-fold
         mapping-filter mapping-filter!
         mapping-remove mapping-remove!
         mapping-partition mapping-partition!
         mapping-copy mapping->alist alist->mapping alist->mapping!
         alist->mapping/ordered alist->mapping/ordered!
         mapping=? mapping<? mapping>? mapping<=? mapping>=?
         mapping-union mapping-intersection mapping-difference mapping-xor
         mapping-union! mapping-intersection! mapping-difference! mapping-xor!
         make-mapping-comparator
         mapping-comparator
         mapping-min-key mapping-max-key
         mapping-min-value mapping-max-value
         mapping-key-predecessor mapping-key-successor
         mapping-range= mapping-range< mapping-range> mapping-range<= mapping-range>=
         mapping-range=! mapping-range<! mapping-range>! mapping-range<=! mapping-range>=!
         mapping-split
         mapping-catenate mapping-catenate!
         mapping-map/monotone mapping-map/monotone!
         mapping-fold/reverse
         comparator?)
  (import scheme)
  (import (except (chicken base) identity))
  (import (chicken platform))
  (import (srfi 1))
  (import (srfi 128))
  (import (srfi 145))
  (import (srfi 158))
  (register-feature! 'srfi-146)
  (include "srfi-146/nieper/rbtree.scm")
  (include "srfi-146/srfi/146.scm")
)