@Override
    public IApimanBuffer createBuffer(String stringData, String enc) {
        return new VertxApimanBuffer(stringData, enc);
    }
@see io.apiman.gateway.engine.components.IBufferFactoryComponent#createBuffer(java.lang.String,
     java.lang.String)
gateway/platforms/vertx3/vertx3/src/main/java/io/apiman/gateway/platforms/vertx3/components/BufferFactoryComponentImpl.java