syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// - Append [LocalDecl]s to `local_decls`.
context_before: /// - Append [Statement]s to `stmts`.
context_after: /// - Return a [PointerCheck] that contains the condition and an [AssertKind].