return {
  'nvim-telescope/telescope.nvim', tag = '0.1.4',
  dependencies = { 'nvim-lua/plenary.nvim' },
  config = function()
    require('telescope').setup{
      defaults = {
        vimgrep_arguments = {
          'rg',
          '--color=never',
          '--no-heading',
          '--with-filename',
          '--line-number',
          '--column',
          '--smart-case',
          '--hidden',
        }
      }
    }
    local builtin = require('telescope.builtin')
    local telescope = require('telescope')
    vim.keymap.set('n', '<leader>tf', "<cmd>Telescope find_files hidden=true<cr>", {}) -- Open files
    vim.keymap.set('n', '<leader>ts', builtin.live_grep, {})  -- Grep files
    vim.keymap.set('n', '<leader>tb', builtin.buffers, {})    -- Neovim buffers
    vim.keymap.set('n', '<leader>tm', builtin.man_pages, {}) -- man pages
    vim.keymap.set('n', '<leader>tp', builtin.registers, {}) -- Paste from registers
    vim.keymap.set('n', '<leader>tt', builtin.resume, {}) -- Last open Telescope
    vim.keymap.set('n', '<leader>to', builtin.oldfiles, {}) -- Recently opened files
    -- Git functionality (tg prefix)
    vim.keymap.set('n', '<leader>tgf', builtin.git_files, {})
    vim.keymap.set('n', '<leader>tgc', builtin.git_commits, {})
    vim.keymap.set('n', '<leader>tgh', builtin.git_bcommits, {}) -- Current buffer's commits
    vim.keymap.set('n', '<leader>tgb', builtin.git_branches, {}) -- CR: checkout, C-t: track, C-r: rebase, C-a: create, C-s: switch, C-d: delete, C-y: merge
    vim.keymap.set('n', '<leader>tgs', builtin.git_stash, {}) -- List stash, apply with CR
    -- LSP functionality (tl prefix)
    vim.keymap.set('n', '<leader>tlr', builtin.lsp_references, {})
    vim.keymap.set('n', '<leader>tli', builtin.lsp_incoming_calls, {})
    vim.keymap.set('n', '<leader>tlo', builtin.lsp_outgoing_calls, {})
    vim.keymap.set('n', '<leader>tld', builtin.lsp_definitions, {})
    vim.keymap.set('n', '<leader>tlt', builtin.lsp_type_definitions, {})
    vim.keymap.set('n', '<leader>tls', builtin.lsp_document_symbols, {})
    vim.keymap.set('n', '<leader>tlm', builtin.lsp_implementations, {})
    vim.keymap.set('n', '<leader>tlw', builtin.lsp_workspace_symbols, {})
    vim.keymap.set('n', '<leader>tlD', builtin.diagnostics, {})

    -- Custom Rails shortcuts
    vim.keymap.set('n', '<leader>trj', function()
      builtin.find_files({ search_dirs = { "app/javascript", "app/assets/javascripts" } })
    end, { desc = "Open Rails Javascripts" } )
    vim.keymap.set('n', '<leader>trsj', function()
      builtin.live_grep({ search_dirs = { "app/javascript", "app/assets/javascripts" } })
    end, { desc = "Grep Rails Javascripts" } )
    vim.keymap.set('n', '<leader>trm', function()
      builtin.find_files({ search_dirs = { "app/models" } })
    end, { desc = "Open Rails Models" } )
    vim.keymap.set('n', '<leader>trsm', function()
      builtin.live_grep({ search_dirs = { "app/models" } })
    end, { desc = "Grep Rails Models" } )
    vim.keymap.set('n', '<leader>trc', function()
      builtin.find_files({ search_dirs = { "app/controllers" } })
    end, { desc = "Open Rails Controllers" } )
    vim.keymap.set('n', '<leader>trsc', function()
      builtin.live_grep({ search_dirs = { "app/controllers" } })
    end, { desc = "Grep Rails Controllers" } )
    vim.keymap.set('n', '<leader>trv', function()
      builtin.find_files({ search_dirs = { "app/views" } })
    end, { desc = "Open Rails Views" } )
    vim.keymap.set('n', '<leader>trsv', function()
      builtin.live_grep({ search_dirs = { "app/views" } })
    end, { desc = "Grep Rails Views" } )
  end,
}