class IfMatchPreconditionHeader implements PreconditionHeader<EntityTag> {

    public static Optional<IfMatchPreconditionHeader> fromDittoHeaders(final DittoHeaders dittoHeaders) {
        return dittoHeaders.getIfMatch().map(IfMatchPreconditionHeader::new);
    }

    private  IfMatchPreconditionHeader(final EntityTagMatchers entityTagsToMatch);

}