@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + OUTPUT_URI_PREFIX_FIELD_NUMBER;
    hash = (53 * hash) + getOutputUriPrefix().hashCode();
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
Required. There must be no files under 'output_uri_prefix'.
'output_uri_prefix' must end with "/" and start with "gs://", otherwise an
INVALID_ARGUMENT (400) error is returned.
</pre>

<code>string output_uri_prefix = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@return The bytes for outputUriPrefix.
java-translate/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/GcsDestination.java