{"ast_node_type":"impl","tokens":[{"end":73,"kind":"keyword","start":0,"text":"//"}]}
// provides an impl of that trait, which is called `Jemalloc`) is that we
// A consequence of not using `GlobalAlloc` (and the `tikv-jemallocator` crate
// cannot use the sized deallocation APIs (`sdallocx`) that jemalloc provides.