this.useCaches = useCaches;
    }

    public boolean getUseCaches() {
        return connection.getUseCaches();
    }

    public void setIfModifiedSince(long ifModifiedSince) {
        connection.setIfModifiedSince(ifModifiedSince);
        this.ifModifiedSince = ifModifiedSince;
    }

    public long getIfModifiedSince() {
        return connection.getIfModifiedSince();
    }

    }


    @Override
    public boolean getUseCaches () {
        return this.connection.getUseCaches();
    }


    @Override
    public void setIfModifiedSince ( long ifModifiedSince ) {
        this.connection.setIfModifiedSince(ifModifiedSince);
        this.ifModifiedSince = ifModifiedSince;
    }


    @Override
    public long getIfModifiedSince () {