syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"check_ne!(self.vendor,"}]}
source_snippet:         check_ne!(self.vendor, "", "`vendor` cannot be empty");
context_before:         // Keep the default "unknown" vendor instead.
context_after:         check_ne!(self.os, "", "`os` cannot be empty");