{ lib, beamPackages, overrides ? (x: y: {}) }:

let
  buildRebar3 = lib.makeOverridable beamPackages.buildRebar3;
  buildMix = lib.makeOverridable beamPackages.buildMix;
  buildErlangMk = lib.makeOverridable beamPackages.buildErlangMk;

  self = packages // (overrides self packages);

  packages = with beamPackages; with self; {

  };
in self