syntax_data: {"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"\"visionos\""}]}
source_snippet:             "visionos" => (1, 0, 0),
context_before:             "watchos" => (5, 0, 0),
context_after:             _ => unreachable!("tried to get deployment target for non-Apple platform"),