// indexing for the results should be always disabled
BetaConstraints resultBinder = utils.createBetaNodeConstraint( context,
resultBetaConstraints,
true );
CollectAccumulator accumulator = new CollectAccumulator( collect,
existSubNetwort );
Accumulate accumulate = new Accumulate( sourcePattern,
sourcePattern.getRequiredDeclarations(),
new Accumulator[] { accumulator },
false );