rendererFactory.registerRenderer(eq("string"),
isA(StringAttributeRenderer.class));
rendererFactory.registerRenderer(eq("template"),
isA(TemplateAttributeRenderer.class));
rendererFactory.registerRenderer(eq("definition"),
isA(DefinitionAttributeRenderer.class));
rendererFactory.registerRenderer(eq("freemarker"),
isA(FreeMarkerAttributeRenderer.class));
rendererFactory.registerRenderer(eq("velocity"),
isA(VelocityAttributeRenderer.class));