@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    switch (principalCase_) {
      case 1:
        hash = (37 * hash) + USER_FIELD_NUMBER;
        hash = (53 * hash) + getUser().hashCode();
        break;
      case 2:
        hash = (37 * hash) + SERVICE_ACCOUNT_FIELD_NUMBER;
        hash = (53 * hash) + getServiceAccount().hashCode();
        break;
      case 0:
      default:
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
The service account which needs to be granted the permission.
</pre>

<code>string service_account = 2;</code>

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