let H = ../../../dhall/package.dhall

in  toMap
      { lens = H.callHackage "lens" "5.2"
      , Cabal-syntax =
          H.callGit
            "https://gitlab.haskell.org/ghc/packages/Cabal"
            "e714824c6e652bf894f914bc57feccc15759668a"
            (Some "Cabal-syntax")
      , network-mux =
          H.callTarball
            "https://input-output-hk.github.io/cardano-haskell-packages/package/network-mux-0.2.0.0.tar.gz"
      , myPackage = H.callLocal "./myPackage"
      }
    : H.Overlay