package database import ( "context" "github.com/openimsdk/open-im-server/v3/pkg/common/storage/model" "time" ) type StreamMsg interface { CreateStreamMsg(ctx context.Context, model *model.StreamMsg) error AppendStreamMsg(ctx context.Context, clientMsgID string, startIndex int, packets []string, end bool, deadlineTime time.Time) error GetStreamMsg(ctx context.Context, clientMsgID string) (*model.StreamMsg, error) }