public byte[] getContentBytes() {
        return contentBytes;
    }
Constructs a new instance of {@code HttpResponseException} with the given
status code, reason phrase, content bytes, and content type.

@param statusCode   the HTTP status code
@param reasonPhrase the reason phrase associated with the HTTP status code
@param contentBytes the content bytes of the HTTP response
@param contentType  the content type of the HTTP response
httpclient5/src/main/java/org/apache/hc/client5/http/HttpResponseException.java