{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"MacEager::expr(cx.expr_str(cx.with_def_site_ctxt(bsp),"}]}
                MacEager::expr(cx.expr_str(cx.with_def_site_ctxt(bsp), interned_src))
                let interned_src = Symbol::intern(src);
            }