{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"///"}]}
/// keeping both the original span and the metavariable span. For `tt` metavariables that's not the
/// Usually metavariables `$var` produce interpolated tokens, which have an additional place for
/// case however, and there's no place for keeping a second span. So we try to give the single