@java.lang.Override
  public com.google.protobuf.ByteString getUsernameBytes() {
    java.lang.Object ref = username_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      username_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
Optional. The username of the user to be to reset the credentials.
The default value of this field is CloudOwner&#64;gve.local.
The provided value should be one of the following:
solution-user-01&#64;gve.local,
solution-user-02&#64;gve.local,
solution-user-03&#64;gve.local,
solution-user-04&#64;gve.local,
solution-user-05&#64;gve.local,
zertoadmin&#64;gve.local.
</pre>

<code>string username = 3 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for username.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/ResetVcenterCredentialsRequest.java