private synchronized int getIncrementedCounter() {
    return ++iternameCounter;
  }
Asif : This function is used exclusively by Index Manager. It gets the unique Iterator name for
a Iterator definition, if it already exists, else creates a unqiue name & also stores it in a
map for subsequent use

@param definition String containing definition of the iterator
@return String containing the name of the Iterator
geode-core/src/main/java/org/apache/geode/cache/query/internal/index/IndexManager.java