[VOL-4291] Rw-core updates for gRPC migration

Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/github.com/Shopify/sarama/alter_user_scram_credentials_response.go b/vendor/github.com/Shopify/sarama/alter_user_scram_credentials_response.go
new file mode 100644
index 0000000..31e167b
--- /dev/null
+++ b/vendor/github.com/Shopify/sarama/alter_user_scram_credentials_response.go
@@ -0,0 +1,94 @@
+package sarama
+
+import "time"
+
+type AlterUserScramCredentialsResponse struct {
+	Version int16
+
+	ThrottleTime time.Duration
+
+	Results []*AlterUserScramCredentialsResult
+}
+
+type AlterUserScramCredentialsResult struct {
+	User string
+
+	ErrorCode    KError
+	ErrorMessage *string
+}
+
+func (r *AlterUserScramCredentialsResponse) encode(pe packetEncoder) error {
+	pe.putInt32(int32(r.ThrottleTime / time.Millisecond))
+	pe.putCompactArrayLength(len(r.Results))
+
+	for _, u := range r.Results {
+		if err := pe.putCompactString(u.User); err != nil {
+			return err
+		}
+		pe.putInt16(int16(u.ErrorCode))
+		if err := pe.putNullableCompactString(u.ErrorMessage); err != nil {
+			return err
+		}
+		pe.putEmptyTaggedFieldArray()
+	}
+
+	pe.putEmptyTaggedFieldArray()
+	return nil
+}
+
+func (r *AlterUserScramCredentialsResponse) decode(pd packetDecoder, version int16) error {
+	throttleTime, err := pd.getInt32()
+	if err != nil {
+		return err
+	}
+	r.ThrottleTime = time.Duration(throttleTime) * time.Millisecond
+
+	numResults, err := pd.getCompactArrayLength()
+	if err != nil {
+		return err
+	}
+
+	if numResults > 0 {
+		r.Results = make([]*AlterUserScramCredentialsResult, numResults)
+		for i := 0; i < numResults; i++ {
+			r.Results[i] = &AlterUserScramCredentialsResult{}
+			if r.Results[i].User, err = pd.getCompactString(); err != nil {
+				return err
+			}
+
+			kerr, err := pd.getInt16()
+			if err != nil {
+				return err
+			}
+
+			r.Results[i].ErrorCode = KError(kerr)
+			if r.Results[i].ErrorMessage, err = pd.getCompactNullableString(); err != nil {
+				return err
+			}
+			if _, err := pd.getEmptyTaggedFieldArray(); err != nil {
+				return err
+			}
+		}
+	}
+
+	if _, err := pd.getEmptyTaggedFieldArray(); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (r *AlterUserScramCredentialsResponse) key() int16 {
+	return 51
+}
+
+func (r *AlterUserScramCredentialsResponse) version() int16 {
+	return r.Version
+}
+
+func (r *AlterUserScramCredentialsResponse) headerVersion() int16 {
+	return 2
+}
+
+func (r *AlterUserScramCredentialsResponse) requiredVersion() KafkaVersion {
+	return V2_7_0_0
+}