{ pkgs }:

let
  first = 1;
  second = first;
in {
  firstField = first;
  secondField = second;
  nested = let
    innerSecond = innerFirst;
    innerFirst = first;
  in {
    result = innerSecond;
  };
  parameter = first: let
    usesParameter = first;
  in {
    result = usesParameter;
  };
  path = ./. + "/foo";
  url = "https://example.com";
  inherit pkgs;
  different = other;
  nested.package = nested.package;
  "quoted" = quoted;
  ${dynamic} = dynamic;
  from = pkgs.from.other;
  fallback = pkgs.fallback or null;
}