public boolean hasPreconditions(Conditions conditions) {
private boolean hasPreconditions(Conditions conditions) {
    public boolean hasPreconditions(Conditions conditions) {        return ((conditions.getMatch() != null && conditions.getMatch().size() != 0)                || (conditions.getNoneMatch() != null && conditions                        .getNoneMatch().size() != 0)                || (conditions.getModifiedSince() != null) || (conditions                .getUnmodifiedSince() != null));    }