private String generateMultipartHeader(String name, String fileName, ContentType contentType) {
		return "--" + BOUNDARY + NEWLINE +
			CONTENT_DISPOSITION + name + FILENAME + fileName + "\"" + NEWLINE +
			CONTENT_TYPE + contentType + NEWLINE + NEWLINE;
	}
A part of file for multipart form data entity.
<p>
This entity writes multipart header to {@link DataStreamChannel} and
internally delegates {@link #produce(DataStreamChannel)} to {@link FileEntityProducer}.
ngrinder-runtime/src/main/java/org/ngrinder/http/multipart/FileMultipartEntity.java