chore: import upstream snapshot with attribution

backend/infra/document/progressbar/interface.go

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package progressbar
+
+import (
+	"context"
+
+	"github.com/coze-dev/coze-studio/backend/infra/cache"
+)
+
+// ProgressBar is the interface for the progress bar.
+type ProgressBar interface {
+	AddN(n int) error
+	ReportError(err error) error
+	GetProgress(ctx context.Context) (percent int, remainSec int, errMsg string)
+}
+
+var New func(ctx context.Context, pkID int64, total int64, CacheCli cache.Cmdable, needInit bool) ProgressBar
+
+const (
+	ProcessDone = 100
+	ProcessInit = 0
+)