{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"//!"}]}
//! first time it is used and then keep the `StringId` in a hash table. This
//! infrequently (e.g. "generic activities"), we just allocate the string the
//! is implemented in `SelfProfiler::get_or_alloc_cached_string()`.