{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"//"}]}
            // returns `ast::MacroCall` instead of its parent `ast::MacroExpr` that we want. So
            // When the selection exactly covers the macro call to be removed, `covering_element()`
            // first try finding `ast::MacroCall`s and then retrieve their parent.