Variable pv = pathSrc.getValue();
if(pv instanceof BindingVariable) {
if(searchKeyExpr instanceof CompositePath
&& _currentForClause != null) {
assert (_currentBindings != null);
final LetVariable lv = new AnonymousLetVariable(searchKeyExpr);
lv.incrementReferenceCount();
final int bsize = _currentBindings.size();
assert (bsize > 0) : bsize;
boolean found = false;
for(int i = 0; i < bsize; i++) {
Binding binding = _currentBindings.get(i);