local on_attach = function(client, bufnr)
    local opts = { noremap = true, silent = true, buffer = bufnr }
    vim.keymap.set("n", "gd", "<cmd>Telescope lsp_definitions<CR>", opts)
    vim.keymap.set("n", "gD", vim.lsp.buf.declaration, opts)
    vim.keymap.set("n", "gi", "<cmd>Telescope lsp_implementations<CR>", opts)
    vim.keymap.set("n", "gt", "<cmd>Telescope lsp_type_definitions<CR>", opts)
    vim.keymap.set("n", "<leader>rn", vim.lsp.buf.rename, opts)
    vim.keymap.set("n", "K", function()
        vim.lsp.buf.hover()
    end, opts)
    vim.keymap.set("n", "<leader>vws", function()
        vim.lsp.buf.workspace_symbol()
    end, opts)
    vim.keymap.set("n", "<leader>vd", function()
        vim.diagnostic.open_float()
    end, opts)
    vim.keymap.set("n", "[d", function()
        vim.diagnostic.goto_next()
    end, opts)
    vim.keymap.set("n", "]d", function()
        vim.diagnostic.goto_prev()
    end, opts)
    vim.keymap.set("n", "<leader>vca", function()
        vim.lsp.buf.code_action()
    end, opts)
    vim.keymap.set("n", "gR", "<cmd>Telescope lsp_references<CR>", opts)
    vim.keymap.set("n", "<leader>vrn", function()
        vim.lsp.buf.rename()
    end, opts)
    vim.keymap.set("i", "<C-h>", function()
        vim.lsp.buf.signature_help()
    end, opts)
end

return on_attach