clientv3/concurrency/session.go
func WithTTL(ttl int) SessionOption {
	return func(so *sessionOptions) {
		if ttl > 0 {
			so.ttl = ttl
		}
	}
}
func WithTTL(ttl int) SessionOption {
	return func(so *sessionOptions) {
		if ttl > 0 {
			so.ttl = ttl
		}
	}
}
func WithTTL ( ttl int ) SessionOption { return func ( so * sessionOptions ) { if ttl > 0 { so . ttl = ttl } } }
// WithTTL configures the session's TTL in seconds.
// If TTL is <= 0, the default 60 seconds TTL will be used.
WithTTL configures the session s TTL in seconds . If TTL is < = 0 the default 60 seconds TTL will be used .