syntax_data: {"ast_node_type":"function","tokens":[{"end":81,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn with_forced_impl_filename_line(ForcedImplGuard, FORCE_IMPL_FILENAME_LINE);
context_before:     /// so this variable disables that check.
context_after:     /// Adds the `crate::` prefix to paths where appropriate.