return {}
-- local Util = require("lazyvim.util")
--
-- -- This is the same as in lspconfig.server_configurations.jdtls, but avoids
-- -- needing to require that when this module loads.
-- local java_filetypes = { "java" }
--
-- -- Utility function to extend or override a config table, similar to the way
-- -- that Plugin.opts works.
-- ---@param config table
-- ---@param custom function | table | nil
-- local function extend_or_override(config, custom, ...)
--   if type(custom) == "function" then
--     config = custom(config, ...) or config
--   elseif custom then
--     config = vim.tbl_deep_extend("force", config, custom) --[[@as table]]
--   end
--   return config
-- end
--
-- return {
--   -- Ensure java debugger and test packages are installed.
--   {
--     "mfussenegger/nvim-dap",
--     optional = true,
--     dependencies = {
--       {
--         "williamboman/mason.nvim",
--         opts = function(_, opts)
--           opts.ensure_installed = opts.ensure_installed or {}
--           vim.list_extend(opts.ensure_installed, { "java-test", "java-debug-adapter" })
--         end,
--       },
--     },
--   },
--
--   -- Configure nvim-lspconfig to install the server automatically via mason, but
--   -- defer actually starting it to our configuration of nvim-jtdls below.
--   {
--     "neovim/nvim-lspconfig",
--     opts = {
--       -- make sure mason installs the server
--       servers = {
--         jdtls = {},
--       },
--       setup = {
--         jdtls = function()
--           return true -- avoid duplicate servers
--         end,
--       },
--     },
--   },
--
--   -- Set up nvim-jdtls to attach to java files.
--   {
--     "mfussenegger/nvim-jdtls",
--     ft = java_filetypes,
--     opts = function()
--       return {
--         -- How to find the root dir for a given filename. The default comes from
--         -- lspconfig which provides a function specifically for java projects.
--         root_dir = require("lspconfig.server_configurations.jdtls").default_config.root_dir,
--
--         -- How to find the project name for a given root dir.
--         project_name = function(root_dir)
--           return root_dir and vim.fs.basename(root_dir)
--         end,
--
--         -- Where are the config and workspace dirs for a project?
--         jdtls_config_dir = function(project_name)
--           return vim.fn.stdpath("cache") .. "/jdtls/" .. project_name .. "/config"
--         end,
--         jdtls_workspace_dir = function(project_name)
--           return vim.fn.stdpath("cache") .. "/jdtls/" .. project_name .. "/workspace"
--         end,
--
--         -- How to run jdtls. This can be overridden to a full java command-line
--         -- if the Python wrapper script doesn't suffice.
--         cmd = { vim.fn.exepath("jdtls") },
--         full_cmd = function(opts)
--           local fname = vim.api.nvim_buf_get_name(0)
--           local root_dir = opts.root_dir(fname)
--           local project_name = opts.project_name(root_dir)
--           local cmd = vim.deepcopy(opts.cmd)
--           if project_name then
--             vim.list_extend(cmd, {
--               "-configuration",
--               opts.jdtls_config_dir(project_name),
--               "-data",
--               opts.jdtls_workspace_dir(project_name),
--             })
--           end
--           return cmd
--         end,
--
--         -- These depend on nvim-dap, but can additionally be disabled by setting false here.
--         dap = { hotcodereplace = "auto", config_overrides = {} },
--         test = true,
--       }
--     end,
--     config = function()
--       local opts = Util.opts("nvim-jdtls") or {}
--
--       -- Find the extra bundles that should be passed on the jdtls command-line
--       -- if nvim-dap is enabled with java debug/test.
--       local mason_registry = require("mason-registry")
--       local bundles = {} ---@type string[]
--       if opts.dap and Util.has("nvim-dap") and mason_registry.is_installed("java-debug-adapter") then
--         local java_dbg_pkg = mason_registry.get_package("java-debug-adapter")
--         local java_dbg_path = java_dbg_pkg:get_install_path()
--         local jar_patterns = {
--           java_dbg_path .. "/extension/server/com.microsoft.java.debug.plugin-*.jar",
--         }
--         -- java-test also depends on java-debug-adapter.
--         if opts.test and mason_registry.is_installed("java-test") then
--           local java_test_pkg = mason_registry.get_package("java-test")
--           local java_test_path = java_test_pkg:get_install_path()
--           vim.list_extend(jar_patterns, {
--             java_test_path .. "/extension/server/*.jar",
--           })
--         end
--         for _, jar_pattern in ipairs(jar_patterns) do
--           for _, bundle in ipairs(vim.split(vim.fn.glob(jar_pattern), "\n")) do
--             table.insert(bundles, bundle)
--           end
--         end
--       end
--
--       local function attach_jdtls()
--         local fname = vim.api.nvim_buf_get_name(0)
--
--         -- Configuration can be augmented and overridden by opts.jdtls
--         local config = extend_or_override({
--           cmd = opts.full_cmd(opts),
--           root_dir = opts.root_dir(fname),
--           init_options = {
--             bundles = bundles,
--           },
--           -- enable CMP capabilities
--           capabilities = require("cmp_nvim_lsp").default_capabilities(),
--         }, opts.jdtls)
--
--         -- Existing server will be reused if the root_dir matches.
--         require("jdtls").start_or_attach(config)
--         -- not need to require("jdtls.setup").add_commands(), start automatically adds commands
--       end
--
--       -- Attach the jdtls for each java buffer. HOWEVER, this plugin loads
--       -- depending on filetype, so this autocmd doesn't run for the first file.
--       -- For that, we call directly below.
--       vim.api.nvim_create_autocmd("FileType", {
--         pattern = java_filetypes,
--         callback = attach_jdtls,
--       })
--
--       -- Setup keymap and dap after the lsp is fully attached.
--       -- https://github.com/mfussenegger/nvim-jdtls#nvim-dap-configuration
--       -- https://neovim.io/doc/user/lsp.html#LspAttach
--       vim.api.nvim_create_autocmd("LspAttach", {
--         callback = function(args)
--           local client = vim.lsp.get_client_by_id(args.data.client_id)
--           if client and client.name == "jdtls" then
--             -- ["<leader>cx"] = { name = "+extract" },
--             -- ["<leader>cxv"] = { require("jdtls").extract_variable_all, "Extract Variable" },
--             -- ["<leader>cxc"] = { require("jdtls").extract_constant, "Extract Constant" },
--             -- ["gs"] = { require("jdtls").super_implementation, "Goto Super" },
--             -- ["gS"] = { require("jdtls.tests").goto_subjects, "Goto Subjects" },
--             -- ["<leader>co"] = { require("jdtls").organize_imports, "Organize Imports" },
--             -- ["<leader>c"] = { name = "+code" },
--             -- ["<leader>cx"] = { name = "+extract" },
--             -- ["<leader>cxm"] = {
--             --   [[<ESC><CMD>lua require('jdtls').extract_method(true)<CR>]],
--             --   "Extract Method",
--             -- },
--             -- ["<leader>cxv"] = {
--             --   [[<ESC><CMD>lua require('jdtls').extract_variable_all(true)<CR>]],
--             --   "Extract Variable",
--             -- },
--             -- ["<leader>cxc"] = {
--             --   [[<ESC><CMD>lua require('jdtls').extract_constant(true)<CR>]],
--             --   "Extract Constant",
--             -- },
--
--             if opts.dap and Util.has("nvim-dap") and mason_registry.is_installed("java-debug-adapter") then
--               -- custom init for Java debugger
--               require("jdtls").setup_dap(opts.dap)
--               require("jdtls.dap").setup_dap_main_class_configs()
--
--               -- Java Test require Java debugger to work
--               if opts.test and mason_registry.is_installed("java-test") then
--                 -- custom keymaps for Java test runner (not yet compatible with neotest)
--                 -- ["<leader>t"] = { name = "+test" },
--                 -- ["<leader>tt"] = { require("jdtls.dap").test_class, "Run All Test" },
--                 -- ["<leader>tr"] = { require("jdtls.dap").test_nearest_method, "Run Nearest Test" },
--                 -- ["<leader>tT"] = { require("jdtls.dap").pick_test, "Run Test" },
--               end
--             end
--
--             -- User can set additional keymaps in opts.on_attach
--             if opts.on_attach then
--               opts.on_attach(args)
--             end
--           end
--         end,
--       })
--
--       -- Avoid race condition by calling attach the first time, since the autocmd won't fire.
--       attach_jdtls()
--     end,
--   },
-- }