@java.lang.Override
  public com.google.protobuf.ByteString getMachineTypeBytes() {
    java.lang.Object ref = machineType_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      machineType_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
Machine type of VM Instance underlying connector. Default is e2-micro
</pre>

<code>string machine_type = 10;</code>

@return The bytes for machineType.
java-vpcaccess/proto-google-cloud-vpcaccess-v1/src/main/java/com/google/cloud/vpcaccess/v1/Connector.java