if (swConfigStream == null) {
Assert.fail("null config stream.");
}
SwitchYardModel switchyardConfig = (SwitchYardModel) new ModelPuller()
.pull(swConfigStream);
TransformsModel transforms = switchyardConfig.getTransforms();
List<TransformModel> trans = transforms.getTransforms();
JSONTransformModel jsonTransformModel = (JSONTransformModel) trans