This typedef is an alias to HashTableBucketIterator<const value_type>.
typedef
HashTableBucketIterator<const value_type>
Declared in <bslstl_unorderedmap.h>
<bslstl_unorderedmap.h>
typedef BloombergLP::bslstl::HashTableBucketIterator<value_type const, difference_type> const_local_iterator;