private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentials,
            com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentials.Builder,
            com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentialsOrBuilder>
        getAccessKeyCredsFieldBuilder() {
      if (accessKeyCredsBuilder_ == null) {
        if (!(credentialsTypeCase_ == 11)) {
          credentialsType_ =
              com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentials
                  .getDefaultInstance();
        }
        accessKeyCredsBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentials,
                com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentials.Builder,
                com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentialsOrBuilder>(
                (com.google.cloud.vmmigration.v1.AwsSourceDetails.AccessKeyCredentials)
                    credentialsType_,
                getParentForChildren(),
                isClean());
        credentialsType_ = null;
      }
      credentialsTypeCase_ = 11;
      onChanged();
      return accessKeyCredsBuilder_;
    }
<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