{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"(internal,"}]}
    (internal, allocator_internals, "1.20.0", None),
    /// Allows using `#![needs_allocator]`, an implementation detail of `#[global_allocator]`.
    /// Allows using `#[allow_internal_unsafe]`. This is an