return {
   "hedyhli/outline.nvim",
   lazy = true,
   cmd = { "Outline", "OutlineOpen" },
   keys = {
      { "<leader>o", "<cmd>Outline<CR>", desc = "Toggle outline" },
   },
   opts = {
      outline_window = {
         position = "right",
         width = 25,
         relative_width = true,
         auto_close = false,
         show_numbers = true,
         show_relative_numbers = true,
         wrap = false,
         show_cursorline = true,
         hide_cursor = true,
         focus_on_open = false,
      },

      outline_items = {
         show_symbol_details = true,
         show_symbol_lineno = false,
         highlight_hovered_item = true,
         auto_set_cursor = true,
         auto_update_events = {
            follow = { "CursorMoved" },
            items = { "InsertLeave", "WinEnter", "BufEnter", "BufWinEnter", "TabEnter", "BufWritePost" },
         },
      },

      keymaps = {
         show_help = "?",
         close = { "<Esc>", "q" },
         goto_location = "<Cr>",
         peek_location = "o",
         goto_and_close = "<S-Cr>",
         restore_location = "<C-g>",
         hover_symbol = "<C-space>",
         toggle_preview = "K",
         rename_symbol = "r",
         code_actions = "a",
         fold = "h",
         unfold = "l",
         fold_toggle = "<Tab>",
         fold_toggle_all = "<S-Tab>",
         fold_all = "W",
         unfold_all = "E",
         fold_reset = "R",
         down_and_jump = "<C-j>",
         up_and_jump = "<C-k>",
      },

      symbols = {
         icons = {
            File = { icon = "󰈔", hl = "Identifier" },
            Module = { icon = "󰆧", hl = "Include" },
            Namespace = { icon = "󰅪", hl = "Include" },
            Package = { icon = "󰏗", hl = "Include" },
            Class = { icon = "𝓒", hl = "Type" },
            Method = { icon = "ƒ", hl = "Function" },
            Property = { icon = "", hl = "Identifier" },
            Field = { icon = "󰆨", hl = "Identifier" },
            Constructor = { icon = "", hl = "Special" },
            Enum = { icon = "ℰ", hl = "Type" },
            Interface = { icon = "󰜰", hl = "Type" },
            Function = { icon = "ƒ", hl = "Function" },
            Variable = { icon = "", hl = "Constant" },
            Constant = { icon = "", hl = "Constant" },
            String = { icon = "𝓐", hl = "String" },
            Number = { icon = "#", hl = "Number" },
            Boolean = { icon = "⊨", hl = "Boolean" },
            Array = { icon = "󰅪", hl = "Constant" },
            Object = { icon = "⦿", hl = "Type" },
            Key = { icon = "🔐", hl = "Type" },
            Null = { icon = "NULL", hl = "Type" },
            EnumMember = { icon = "", hl = "Identifier" },
            Struct = { icon = "𝓢", hl = "Structure" },
            Event = { icon = "🗲", hl = "Type" },
            Operator = { icon = "+", hl = "Identifier" },
            TypeParameter = { icon = "𝙏", hl = "Identifier" },
            Component = { icon = "󰅴", hl = "Function" },
            Fragment = { icon = "󰅴", hl = "Constant" },
            TypeAlias = { icon = " ", hl = "Type" },
            Parameter = { icon = " ", hl = "Identifier" },
            StaticMethod = { icon = " ", hl = "Function" },
            Macro = { icon = " ", hl = "Function" },
         },
      },
   },
}