return {
    'folke/which-key.nvim',
    event = 'UIEnter',
    opts = {
        preset = 'helix',
        icons = {
            breadcrumb = ' ',
            separator = ' ',
            group = '',
            rules = false,
        },
        triggers = {
            { '<auto>', mode = 'nixsotc' },
            { '<leader>', mode = { 'n', 'v' } },
        },
        spec = {
            mode = { 'n', 'v' },
            { '[', group = '  Previous' },
            { ']', group = '  Next' },
            { '<leader>b', group = '  Debug' },
            { '<leader>c', group = '  Code' },
            { '<leader>C', group = '  Comment' },
            { '<leader>d', group = '  Database' },
            { '<leader>e', group = '  Edit' },
            { '<leader>f', group = '  Find' },
            { '<leader>i', group = '  Insert' },
            { '<leader>j', group = '  Jump' },
            { '<leader>k', group = '  Keys' },
            { '<leader>l', group = '  LSP' },
            { '<leader>m', group = '󰠠  Misc' },
            { '<leader>n', group = '  Notes' },
            { '<leader>q', group = '  Quit' },
            { '<leader>s', group = '  Split' },
            { '<leader>t', group = '  Terminal' },
            { '<leader>u', group = '  Test' },
            { '<leader>v', group = '  Select' },
            { '<leader>w', group = '  Writing' },
            { '<leader>x', group = '󰁨  Diagnostics/Quickfix' },
            { '<leader>y', group = '  Yank' },
        },
    },
    keys = {
        {
            '<leader>?',
            function()
                require('which-key').show({ global = false })
            end,
            desc = '  Buffer Local Keymaps (which-key)',
        },
        -- other keymaps
        { '<leader>cR', '<cmd>ReloadConfig<cr>', desc = 'Reload Configs' },
        { '<leader>cd', '<cmd>RootDir<cr>', desc = 'Root Directory' },
        { '<leader>cl', '<cmd>:g/^\\s*$/d<cr>', desc = 'Clean Empty Lines' },
        { '<leader>co', '<cmd>Alpha<cr>', desc = 'Alpha' },
        { '<leader>cr', '<cmd>Telescope reloader<cr>', desc = 'Reload Module' },
        --edit
        { '<leader>ea', '<cmd>b#<cr>', desc = 'Alternate File' },
        { '<leader>ec', '<cmd>e $MYVIMRC<cr>', desc = 'Config' },
        {
            '<leader>ed',
            '<cmd>lua require("telescope.builtin").find_files({cwd = vim.fn.stdpath("config")})<cr>',
            desc = 'Config Dir',
        },
        { '<leader>ee', '<cmd>NvimTreeToggle<cr>', desc = 'Explorer' },
        { '<leader>em', '<cmd>e README.md<cr>', desc = 'Readme' },
        { '<leader>en', '<cmd>enew<cr>', desc = 'New File' },
        -- split
        { '<leader>s+', '<cmd>resize +10<cr>', desc = 'Increase window height' },
        { '<leader>s-', '<cmd>vertical resize -20<cr>', desc = 'Decrease window width' },
        { '<leader>s/', '<C-w>s', desc = 'Split Below' },
        { '<leader>s=', '<cmd>vertical resize +20<cr>', desc = 'Increase window width' },
        { '<leader>sH', '<cmd>vertical resize -10<cr>', desc = 'Decrease window width' },
        { '<leader>sJ', '<cmd>resize -5<cr>', desc = 'Decrease window height' },
        { '<leader>sK', '<cmd>resize +5<cr>', desc = 'Increase window height' },
        { '<leader>sL', '<cmd>vertical resize +10<cr>', desc = 'Increase window width' },
        { '<leader>s\\', '<C-w>v', desc = 'Split Right' },
        { '<leader>s_', '<cmd>resize -10<cr>', desc = 'Decrease window height' },
        { '<leader>s`', '<C-w>p', desc = 'Previous Window' },
        { '<leader>sa', '<cmd>split<cr>', desc = 'Horizontal Split' },
        { '<leader>sc', '<cmd>tabclose<cr>', desc = 'Close Tab' },
        { '<leader>sf', '<cmd>tabfirst<cr>', desc = 'First Tab' },
        { '<leader>sh', '<C-w>h', desc = 'Move Left' },
        { '<leader>sj', '<C-w>j', desc = 'Move Down' },
        { '<leader>sk', '<C-w>k', desc = 'Move Up' },
        { '<leader>sl', '<C-w>l', desc = 'Move Right' },
        { '<leader>sp', '<cmd>NavigatorPrevious<cr>', desc = 'Previous Pane' },
        { '<leader>sq', '<C-w>c', desc = 'Close Split' },
        { '<leader>ss', '<cmd>vsplit<cr>', desc = 'Vertical Split' },
        -- select
        { '<leader>vB', 'vab', desc = 'Around Bracket' },
        { '<leader>vP', 'vap', desc = 'Around Para' },
        { '<leader>vQ', 'vaq', desc = 'Around Quote' },
        { '<leader>vb', 'vib', desc = 'Bracket' },
        { '<leader>vp', 'vip', desc = 'Paragraph' },
        { '<leader>vq', 'viq', desc = 'Quote' },
        -- writing
        { '<leader>wc', '<cmd>set spell!<cr>', desc = 'Spellcheck' },
        { '<leader>wf', "<cmd>lua require'utils'.sudo_write()<cr>", desc = 'Force Write' },
        { '<leader>wj', ']s', desc = 'Next Misspell' },
        { '<leader>wk', '[s', desc = 'Prev Misspell' },
        { '<leader>wq', '<cmd>wq<cr>', desc = 'Write and Quit' },
        { '<leader>ws', '<cmd>Telescope spell_suggest<cr>', desc = 'Suggestions' },
        { '<leader>ww', '<cmd>w<cr>', desc = 'Write and Quit' },
        { '<leader>x', '<cmd>x<cr>', desc = ' Save and Quit' },
        --quit
        { '<leader>qa', '<cmd>qall<cr>', desc = 'Quit All' },
        { '<leader>qc', '<cmd>bw<cr>', desc = 'Close Buffer' },
        { '<leader>qd', '<cmd>bdelete<cr>', desc = 'Delete Buffer' },
        { '<leader>qf', '<cmd>qall!<cr>', desc = 'Force Quit' },
        { '<leader>qo', ':%bdelete|b#|bdelete#<cr>', desc = 'Close Others' },
        { '<leader>qq', '<cmd>q<cr>', desc = 'Quit' },
        { '<leader>qs', '<C-w>c', desc = 'Close Split' },
        { '<leader>qw', '<cmd>wq<cr>', desc = 'Write and Quit' },
        -- insert
        { '<leader>iP', '<cmd>put %:p<cr>', desc = 'Absolute Path' },
        { '<leader>id', "<cmd>put =strftime('## %a, %d %b, %Y, %r')<cr>", desc = 'Date' },
        { '<leader>ie', '<cmd>Telescope symbols<cr>', desc = 'Emojis' },
        { '<leader>if', "<cmd>put =expand('%:t')<cr>", desc = 'File Name' },
        { '<leader>in', '<cmd>Nerdy<cr>', desc = 'Nerd Glyphs' },
        { '<leader>ip', '<cmd>put %<cr>', desc = 'Relative Path' },
        { '<leader>ir', '<cmd>Telescope registers<cr>', desc = 'Registers' },
        { '<leader>it', "<cmd>put =strftime('## %r')<cr>", desc = 'Time' },

        -- Visiual Mode
        { '<leader>cS', ':sort!<cr>', mode = 'v', desc = 'Sort Desc' },
        { '<leader>ci', ':sort i<cr>', mode = 'v', desc = 'Sort Case Insensitive' },
        { '<leader>cs', ':sort<cr>', mode = 'v', desc = 'Sort Asc' },
        { '<leader>cu', ':!uniq<cr>', mode = 'v', desc = 'Unique' },

        { '<leader>la', mode = 'v', desc = '<cmd><C-U>Lspsaga range_code_action<CR>' },

        -- no leader
        { '[B', '<cmd>bfirst<cr>', desc = 'First Buffer' },
        { '[b', '<cmd>bprevious<cr>', desc = 'Buffer' },
        { '[d', '<cmd>Lspsaga diagnostic_jump_prev<cr>', desc = 'Diagnostic' },
        { '[e', 'g;', desc = 'Edit' },
        { '[j', '<C-o>', desc = 'Jump' },

        { ']', group = ' Next' },
        { ']B', '<cmd>blast<cr>', desc = 'Buffer' },
        { ']b', '<cmd>bnext<cr>', desc = 'Buffer' },
        { ']d', '<cmd>Lspsaga diagnostic_jump_next<cr>', desc = 'Diagnostic' },
        { ']e', 'g,', desc = 'Edit' },
        { ']j', '<C-i>', desc = 'Jump' },

        { '<C-Down>', '<cmd>resize -10<cr>', desc = 'Decrease window height' },
        { '<C-Left>', '<cmd>vertical resize -10<cr>', desc = 'Decrease window width' },
        { '<C-Right>', '<cmd>vertical resize +10<cr>', desc = 'Increase window width' },
        { '<C-Up>', '<cmd>resize +10<cr>', desc = 'Increase window height' },
        { '<A-e>', '<cmd>Telescope find_files<cr>', desc = 'Find Files' },
        { '<A-f>', '<cmd>Telescope file_browser<cr>', desc = 'Find browser' },

        { '<C-h>', '<C-w>h', desc = 'Move Left' },
        { '<C-j>', '<C-w>j', desc = 'Move Down' },
        { '<C-k>', '<C-w>k', desc = 'Move Up' },
        { '<C-l>', '<C-w>l', desc = 'Move Right' },
        { '<C-\\>', '<C-w>p', desc = 'Previous Pane' },

        { '<S-tab>', '<cmd>bprevious<cr>', desc = 'Previous Buffer' },
        { '<tab>', '<cmd>bnext<cr>', desc = 'Next Buffer' },

        { 'K', '<cmd>Lspsaga hover_doc<cr>', desc = 'LSP Hover' },
        { 'Q', '<cmd>qall!<cr>', desc = 'Force Quit!' },
        { 'U', '<cmd>redo<cr>', desc = 'Redo' },
    },
}