@Override
    public boolean is(Class<? extends Transform<?, ?>> transformer) {
        return steps.stream().anyMatch(t -> t.is(requireNonNull(transformer)));
    }
Returns true if this transform is or contains the specified 
transformer. This is used internally by the code generator to avoid 
circular paths.

@param transformer  the type of the transformer to check
@return             true if this transform is or contains the input
common-parent/codegen/src/main/java/com/speedment/common/codegen/internal/BridgeTransform.java