private Transformation[] extractTransformations(Operation op, IntegrationEntityLookup lookup) {
Transformation[] tfs = new Transformation[2];
OperationFunctionInfo info = new OperationFunctionInfo(op, lookup);
for (Function func : info.getFunctions()) {
if (func instanceof Transformation) {
Transformation tf = (Transformation) func;
if (tfs[0] == null) {
tfs[0] = tf;
} else {
tfs[1] = tf;
break;