return {
   {
      "nvim-treesitter/nvim-treesitter",
      opts = function(_, opts)
         if type(opts) == "table" then
            opts.ensure_installed = opts.ensure_installed or {}
            vim.list_extend(opts.ensure_installed, { "groovy" })
         end
      end,
   },

   {
      "jose-elias-alvarez/null-ls.nvim",
      opts = function(_, opts)
         if type(opts) == "table" then
            opts.sources = opts.sources or {}
            local null_ls = require("null-ls")
            vim.list_extend(opts.sources, {
               null_ls.builtins.diagnostics.npm_groovy_lint,
               null_ls.builtins.formatting.npm_groovy_lint,
            })
         end
      end,
   },

   {
      "neovim/nvim-lspconfig",
      opts = function(_, opts)
         if type(opts) == "table" then
            opts.servers = opts.servers or {}
            local groovyls_path =
               "/Users/christian.segundo/git/groovy-language-server"
            local groovyls_app_path = "build/libs/app-all.jar"
            local groovyls_cmd =
               { "java", "-jar", groovyls_path .. "/" .. groovyls_app_path }
            opts.servers.groovyls = { cmd = groovyls_cmd }
         end
      end,
   },
}