syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// - Inline const blocks (e.g. `const { 1 + 1 }`)
context_before:     /// - Paths (e.g. `FOO`, `foo::BAR`, `Option::None`)
context_after:     /// - Literals, possibly negated (e.g. `-128u8`, `"hello"`)