return {
  -- set vim options here (vim.<first_key>.<second_key> =  value)
  opt = {
    -- set to true or false etc.
    relativenumber = true, -- sets vim.opt.relativenumber
    number = true, -- sets vim.opt.number
    spell = false, -- sets vim.opt.spell
    signcolumn = "auto", -- sets vim.opt.signcolumn to auto
    wrap = true, -- sets vim.opt.wrap
    conceallevel = 2, -- enable conceal
    foldenable = false,
    foldexpr = "nvim_treesitter#foldexpr()", -- set Treesitter based folding
    foldmethod = "expr",
    linebreak = true, -- linebreak soft wrap at words
    list = true, -- show whitespace characters
    listchars = {
      tab = " ",
      extends = "⟩",
      precedes = "⟨",
      trail = "·",
      eol = ""
    },
    showbreak = "﬌ "
  },
  g = {
    mapleader = " ", -- sets vim.g.mapleader
    -- enable or disable auto formatting at start (lsp.formatting.format_on_save must be enabled)
    autoformat_enabled = true,
    cmp_enabled = true, -- enable completion at start
    autopairs_enabled = true, -- enable autopairs at start
    diagnostics_enabled = true, -- enable diagnostics at start
    status_diagnostics_enabled = true, -- enable diagnostics in statusline
    -- disable icons in the UI (disable if no nerd font is available, requires :PackerSync after changing)
    icons_enabled = true
  }
}