diff --git a/filter/awsv4upgrade/aws_s3_bucket.go b/filter/awsv4upgrade/aws_s3_bucket.go
index 183883b..bc96606 100644
--- a/filter/awsv4upgrade/aws_s3_bucket.go
+++ b/filter/awsv4upgrade/aws_s3_bucket.go
@@ -36,7 +36,7 @@ func NewAWSS3BucketFilter() editor.Filter {
 
 		// Remove redundant TokenNewLine tokens in the resource block after removing nested blocks.
 		// Since VerticalFormat clears tokens internally, we should call it at the end.
-		&verticalFormatterFilter{},
+		tfeditor.NewVerticalFormatterResourceFilter(),
 	}
 	return &AWSS3BucketFilter{filters: filters}
 }
diff --git a/filter/awsv4upgrade/vertical_format.go b/tfeditor/filter_vertical_formatter.go
similarity index 54%
rename from filter/awsv4upgrade/vertical_format.go
rename to tfeditor/filter_vertical_formatter.go
index 9a2679c..6bb8ff0 100644
--- a/filter/awsv4upgrade/vertical_format.go
+++ b/tfeditor/filter_vertical_formatter.go
@@ -1,21 +1,25 @@
-package awsv4upgrade
+package tfeditor
 
 import (
-	"github.com/minamijoyo/tfedit/tfeditor"
 	"github.com/minamijoyo/tfedit/tfwrite"
 )
 
-// verticalFormatterFilter is a Filter implementation to format HCL in vertical.
+// VerticalFormatterFilter is a filter implementation to format HCL in vertical.
 // At time of writing, the default hcl formatter does not support vertical
 // formatting. However, it's useful in some cases such as removing a block
 // because leading and trailing newline tokens don't belong to a block, so
 // deleting a block leaves extra newline tokens.
-type verticalFormatterFilter struct{}
+type VerticalFormatterFilter struct{}
 
-var _ tfeditor.ResourceFilter = (*verticalFormatterFilter)(nil)
+var _ ResourceFilter = (*VerticalFormatterFilter)(nil)
+
+// NewVerticalFormatterResourceFilter creates a new instance of VerticalFormatterFilter as ResourceFilter.
+func NewVerticalFormatterResourceFilter() ResourceFilter {
+	return &VerticalFormatterFilter{}
+}
 
 // ResourceFilter reads HCL and writes formatted contents in vertical.
-func (f *verticalFormatterFilter) ResourceFilter(inFile *tfwrite.File, resource *tfwrite.Resource) (*tfwrite.File, error) {
+func (f *VerticalFormatterFilter) ResourceFilter(inFile *tfwrite.File, resource *tfwrite.Resource) (*tfwrite.File, error) {
 	resource.VerticalFormat()
 
 	return inFile, nil