syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // Exit early if the path is empty and therefore there's nothing to remap.
context_before:         if path.as_os_str().is_empty() {
context_after:             // This is mostly to reduce spam for `RUSTC_LOG=[remap_path_prefix]`.