{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"const"}]}
        const REALLOCATOR               = 1 << 13;
        /// `#[rustc_reallocator]`: a hint to LLVM that the function only reallocates memory.
        /// `#[rustc_allocator_zeroed]`: a hint to LLVM that the function only allocates zeroed memory.