优化ttlcache相关代码

internal/utils/ttlcache/option.go

@@ -0,0 +1,20 @@
+package ttlcache
+
+type OptionInterface interface {
+}
+
+type PiecesOption struct {
+	Count int
+}
+
+func NewPiecesOption(count int) *PiecesOption {
+	return &PiecesOption{Count: count}
+}
+
+type MaxItemsOption struct {
+	Count int
+}
+
+func NewMaxItemsOption(count int) *MaxItemsOption {
+	return &MaxItemsOption{Count: count}
+}