syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // later stages do too (e.g. in the backend), and comparing `Path` values
context_before:     // It's important that we convert to a string here because that's what
context_after:     // won't catch some differences at the string level, e.g. "abc" and "abc/"