@java.lang.Override
  public com.google.protobuf.ByteString getReservationNameBytes() {
    java.lang.Object ref = reservationName_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      reservationName_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
Optional. Name of the reservation in which the resource should be
provisioned. Format:
projects/{project}/locations/{zone}/reservations/{reservation}
</pre>

<code>string reservation_name = 7 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for reservationName.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/QueuedResource.java