Insert at the specified hint using a movable key and the specified constructor args, or return an iterator to an existing entry.
Declared in <bslstl_map.h>
template<class... Args>
map<KEY, VALUE, COMPARATOR, ALLOCATOR>::iterator
try_emplace(
const_iterator hint,
BloombergLP::bslmf::MovableRef<KEY> key,
Args&&... args);