diff --git a/vendor/github.com/jhump/protoreflect/dynamic/indent.go b/vendor/github.com/jhump/protoreflect/dynamic/indent.go
new file mode 100644
index 0000000..bd7fcaa
--- /dev/null
+++ b/vendor/github.com/jhump/protoreflect/dynamic/indent.go
@@ -0,0 +1,76 @@
+package dynamic
+
+import "bytes"
+
+type indentBuffer struct {
+	bytes.Buffer
+	indent      string
+	indentCount int
+	comma       bool
+}
+
+func (b *indentBuffer) start() error {
+	if b.indentCount >= 0 {
+		b.indentCount++
+		return b.newLine(false)
+	}
+	return nil
+}
+
+func (b *indentBuffer) sep() error {
+	if b.indentCount >= 0 {
+		_, err := b.WriteString(": ")
+		return err
+	} else {
+		return b.WriteByte(':')
+	}
+}
+
+func (b *indentBuffer) end() error {
+	if b.indentCount >= 0 {
+		b.indentCount--
+		return b.newLine(false)
+	}
+	return nil
+}
+
+func (b *indentBuffer) maybeNext(first *bool) error {
+	if *first {
+		*first = false
+		return nil
+	} else {
+		return b.next()
+	}
+}
+
+func (b *indentBuffer) next() error {
+	if b.indentCount >= 0 {
+		return b.newLine(b.comma)
+	} else if b.comma {
+		return b.WriteByte(',')
+	} else {
+		return b.WriteByte(' ')
+	}
+}
+
+func (b *indentBuffer) newLine(comma bool) error {
+	if comma {
+		err := b.WriteByte(',')
+		if err != nil {
+			return err
+		}
+	}
+
+	err := b.WriteByte('\n')
+	if err != nil {
+		return err
+	}
+
+	for i := 0; i < b.indentCount; i++ {
+		_, err := b.WriteString(b.indent)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}