@Override
    public IApiRequestPathParser getApiRequestPathParser() {
        return requestPathParser;
    }
Constructor.
@param registry the registry
@param pluginRegistry the plugin registry
@param componentRegistry the component registry
@param connectorFactory the connector factory
@param policyFactory the policy factory
@param metrics the metrics implementation
@param pathParser the path parser
gateway/engine/core/src/main/java/io/apiman/gateway/engine/impl/EngineImpl.java