require'lspsaga'.setup {
    debug = false,
    use_saga_diagnostic_sign = true,
    -- diagnostic sign
    error_sign = "",
    warn_sign = "",
    hint_sign = "",
    infor_sign = "",
    diagnostic_header_icon = "   ",
    -- code action title icon
    code_action_icon = " ",
    code_action_prompt = {
    enable = true,
    sign = true,
    sign_priority = 40,
    virtual_text = true,
    },
    finder_definition_icon = "  ",
    finder_reference_icon = "  ",
    max_preview_lines = 10,
    finder_action_keys = {
    open = "o",
    vsplit = "s",
    split = "i",
    quit = "q",
    scroll_down = "<C-f>",
    scroll_up = "<C-b>",
    },
    code_action_keys = {
    quit = "q",
    exec = "<CR>",
    },
    rename_action_keys = {
    quit = "<C-c>",
    exec = "<CR>",
    },
    definition_preview_icon = "  ",
    border_style = "single",
    rename_prompt_prefix = "➤",
    server_filetype_map = {},
    diagnostic_prefix_format = "%d. ",
}