@Override
    protected void doApply(ApiRequest request, IPolicyContext context, SimpleHeaderPolicyDefBean config,
            IPolicyChain<ApiRequest> chain) {
        setHeadersRequest(request, config, ApplyTo.REQUEST);
        stripHeaders(request.getHeaders(), config, ApplyTo.REQUEST);
        chain.doApply(request);
    }
Set, overwrite and/or delete headers on request, response or both, with pattern matching available.

@author Marc Savy {@literal <msavy@redhat.com>}
plugins/simple-header-policy/src/main/java/io/apiman/plugins/simpleheaderpolicy/SimpleHeaderPolicy.java