code: public Collect COLLECT(JcProperty attribute) {
  		CollectExpression ce = new CollectExpression(attribute, this.getIntAccess());
  		Collect coll = APIAccess.createCollect(ce);
  		this.queryExecutor.addAstObject(ce);
  		QueryRecorder.recordInvocation(this, "COLLECT", coll, QueryRecorder.placeHolder(attribute));
  		return coll;
  	}
docs: Collect the specified attribute from all objects in a DomainObjectMatch
  @param attribute
  @return