Return an iterator providing non-modifiable access to the first value_type object in the sequence of value_type objects of this unordered multimap with a key equivalent to the specified key, if such entries exist, and the past-the-end (end) iterator otherwise.
Declared in <bslstl_unorderedmultimap.h>
unordered_multimap<KEY, VALUE, HASH, EQUAL, ALLOCATOR>::const_iterator
find(key_type const& key) const;