```lua
-- Import the library as a module.
local ModLoader = require 'asledgehammer/modloader/ModLoader';

-- (To keep all prints clean and contextual)
local info = function(msg)
    print('[' .. module .. '] :: ' .. msg);
end

--- @param module string The module folder.
--- @param path string The path in the module to the file.
--- @param result 0 | 1 
        - ModLoader.RESULT_FILE_NOT_FOUND
        - ModLoader.RESULT_SUCCESS
--- @param data string | nil The data retrieved from the server.
local callback = function(module, path, result, data)
    
    -- Handle non-installed / missing result.
    if result == ModLoader.RESULT_FILE_NOT_FOUND then
        info('File not installed on server. Ignoring..');
        return;
    end

    -- Handle data here. (Example is Lua code)
    loadstring(data)();

end;

--- @type boolean
--- 
--- If true, the server will cache the file so when
--- called again it'll be ready.
local cache = true; 

-- Request the file:
--   ~/Zomboid/Lua/ModLoader/mods/FoobarExample/Foobar_Client.lua
ModLoader:requestServerFile('FoobarExample', 'Foobar_Client.lua', cache, callback);
```