{"ast_node_type":"other","tokens":[{"end":21,"kind":"keyword","start":0,"text":"#[inline(always)]"}]}
    #[inline(always)]
impl<K: Hash + Eq, V> interpret::AllocMap<K, V> for FxIndexMap<K, V> {
    fn contains_key<Q: ?Sized + Hash + Eq>(&mut self, k: &Q) -> bool