Adapt for size_t StringIterator APIs.
Adapt for size_t StringIterator APIs.

rbevers/lucy,apache/lucy,apache/lucy,apache/lucy,rbevers/lucy,apache/lucy,apache/lucy,nwellnhof/lucy,nwellnhof/lucy,apache/lucy,rbevers/lucy,rbevers/lucy,nwellnhof/lucy,apache/lucy,rbevers/lucy,nwellnhof/lucy,rbevers/lucy,rbevers/lucy,nwellnhof/lucy,nwellnhof/lucy,nwellnhof/lucy