@Override
    public String transform(final String formUserId) throws Throwable{
        var idToTransform = formUserId;
        for (val transformer : this.transformers) {
            idToTransform = transformer.transform(idToTransform);
        }
        return idToTransform;
    }
A transformer that chains a number of inner transformers together.

@author Misagh Moayyed
@since 5.2.0
core/cas-server-core-util-api/src/main/java/org/apereo/cas/util/transforms/ChainingPrincipalNameTransformer.java