1{
 2  den,
 3  inputs,
 4  ...
 5}: {
 6  flake-file.inputs.devshell = {
 7    url = "github:numtide/devshell";
 8    inputs.nixpkgs.follows = "nixpkgs";
 9  };
10
11  imports = [inputs.devshell.flakeModule];
12
13  den.classes.devshell = {};
14  den.policies.devshell-to-flake-parts = _: [
15    (den.lib.policy.route {
16      fromClass = "devshell";
17      intoClass = "flake-parts";
18      path = [
19        "devshells"
20        "default"
21      ];
22      adaptArgs = {config, ...}: config.allModuleArgs;
23    })
24  ];
25
26  den.schema.flake-parts.includes = [den.policies.devshell-to-flake-parts];
27}