syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     ///   the `+target` above. That could be modeled as `+clang`.
context_before:     /// - umbrella features: for example if clang accumulates more features in the future than just
context_after:     /// - niche features for resolving specific issues: for example, on Apple targets the linker