{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"///"}]}
    /// occurrence of `'a` with a unique region the goal now equates these regions. See
    /// The goal `&'a u32: Equals<&'a u32>` has no constraints right now. If we replace each
    /// the tests in trait-system-refactor-initiative#27 for concrete examples.