public Builder mergeAccessKeyCreds(
        com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentials value) {
      if (accessKeyCredsBuilder_ == null) {
        if (credentialsTypeCase_ == 11
            && credentialsType_
                != com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentials
                    .getDefaultInstance()) {
          credentialsType_ =
              com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentials.newBuilder(
                      (com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentials)
                          credentialsType_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          credentialsType_ = value;
        }
        onChanged();
      } else {
        if (credentialsTypeCase_ == 11) {
          accessKeyCredsBuilder_.mergeFrom(value);
        } else {
          accessKeyCredsBuilder_.setMessage(value);
        }
      }
      credentialsTypeCase_ = 11;
      return this;
    }
<pre>
AWS Credentials using access key id and secret.
</pre>

<code>
.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentials access_key_creds = 11;
</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/AwsSourceDetails.java