@java.lang.Override
  public com.google.protobuf.Parser<GcsDestination> getParserForType() {
    return PARSER;
  }
<pre>
Required. The bucket used in 'output_uri_prefix' must exist and there must
be no files under 'output_uri_prefix'. 'output_uri_prefix' must end with
"/" and start with "gs://". One 'output_uri_prefix' can only be used by one
batch translation job at a time. Otherwise an INVALID_ARGUMENT (400) error
is returned.
</pre>

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

@param value The bytes for outputUriPrefix to set.
@return This builder for chaining.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/GcsDestination.java