{"ast_node_type":"import","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//!"}]}
//! isn't. In the following example, we think `$x` is free, which is incorrect because `bar` is not
//! False positives can also come from cases where we think there is a nested macro while there
//! a nested macro since it is not evaluated as code by `stringify!`.