syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // Add one so there is some space between files. This lets us distinguish
context_before:         file.start_pos = BytePos(if let Some(last_file) = files.source_files.last() {
context_after:             // positions in the `SourceMap`, even in the presence of zero-length files.