> (you don't have to strictly follow this form)

**Use case**

Support manually snapshot for Keeper.

**Describe the solution you'd like**

Throught 4lw commands, such as `csnp`.


#include <Coordination/CoordinationSettings.h>
#include <Common/logger_useful.h>
#include <filesystem>
#include <Coordination/Defines.h>
#include <IO/WriteHelpers.h>
#include <IO/WriteIntText.h>
namespace DB
{
namespace ErrorCodes
{
    extern const int UNKNOWN_SETTING;
}
IMPLEMENT_SETTINGS_TRAITS(CoordinationSettingsTraits, LIST_OF_COORDINATION_SETTINGS)
void CoordinationSettings::loadFromConfig(const String & config_elem, const Poco::Util::AbstractConfiguration & config)