{ buildApp, nextcloudVersion }:
let
  files_markdown_2_3_4 = buildApp rec {
    appName = "files_markdown";
    version = "2.3.4";
    url = "https://github.com/icewind1991/${appName}/releases/download/v${version}/${appName}.tar.gz";
    sha256 = "09chqlqcyyi9mb3cpjwa3b56sj6ah88119q6v7hvabfpdr41fljf";
  };
  files_markdown_2_3_5 = buildApp rec {
    appName = "files_markdown";
    version = "2.3.5";
    url = "https://github.com/icewind1991/${appName}/releases/download/v${version}/${appName}.tar.gz";
    sha256 = "1g6qlf3qbhfl3q0zwwd77y0fkw35fg2a4whhbfvhc5c2nik9zqnb";
  };
  versions = {
    "20" = files_markdown_2_3_4;
    "21" = files_markdown_2_3_5;
    "22" = files_markdown_2_3_5;
    "23" = files_markdown_2_3_5;
  };
in
  versions."${builtins.toString nextcloudVersion}" or (throw "Unsupported version for nextcloud app files_markdown")