{"ast_node_type":"other","tokens":[{"end":120,"kind":"keyword","start":0,"text":"//"}]}
                        // That kind of expansion uses the ast id map of an eager macros input though which goes through
                        // Eager macros inputs are expanded, well, eagerly when we collect the macro calls.
                        // the HirFileId machinery. As eager macro inputs are assigned a macro file id that query