return {
  cmd = { "clangd", "--background-index", "--clang-tidy", "--header-insertion=iwyu" },
  filetypes = { "c", "cpp", "objc", "objcpp", "cuda", "proto" },
  root_markers = { ".clangd", ".clang-tidy", ".clang-format", "compile_commands.json", "compile_flags.txt", "configure.ac" }
}