{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"///"}]}
    /// Allows using `#![needs_allocator]`, an implementation detail of `#[global_allocator]`.
    (internal, abi_unadjusted, "1.16.0", None),
    (internal, allocator_internals, "1.20.0", None),