return {
  'mrcjkb/rustaceanvim',
  ft = { 'rust' },
  config = function()
    vim.g.rustaceanvim = {
      server = {
        on_attach = function(client, bufnr)
          local options = { noremap = true, silent = false, buffer = bufnr }
          vim.keymap.set('n', '<space>y', function() vim.cmd.RustLsp { 'hover', 'actions' } end,
            vim.tbl_extend('error', options, { desc = 'Hover' }))

          local group = vim.api.nvim_create_augroup('lsp_document_highlight', { clear = false })
          vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
            callback = function()
              vim.lsp.buf.document_highlight()
            end,
            buffer = bufnr,
            group = group,
            desc = 'Document Highlight',
          })
          vim.api.nvim_create_autocmd('CursorMoved', {
            callback = function()
              vim.lsp.buf.clear_references()
            end,
            buffer = bufnr,
            group = group,
            desc = 'Clear All the References',
          })
          vim.api.nvim_create_autocmd({ 'LspDetach' }, {
            group = group,
            buffer = bufnr,
            callback = function()
              vim.lsp.buf.clear_references()
              vim.api.nvim_clear_autocmds {
                group = group,
                buffer = bufnr
              }
            end,
          })
        end
      }
    }
  end
}