this.threshold = threshold;
        return this;
    }

    public CurlRequest gzip() {
        return compression(GZIP);
    }

    public CurlRequest compression(final String compression) {
        this.compression = compression;
        return this;
    }

    public CurlRequest sslSocketFactory(final SSLSocketFactory sslSocketFactory) {

    /**
     * 
     */
    public static final int FILE_OPEN_FOR_BACKUP_INTENT = 0x4000;
    /**
     * 
     */
    public static final int FILE_NO_COMPRESSION = 0x8000;
    /**
     * 
     */
    public static final int FILE_OPEN_REQUIRING_OPLOCK = 0x10000;
    /**
     * 
     */
    public static final int FILE_DISALLOW_EXCLUSIVE = 0x20000;
    /**