(diagnostic
  (schema slovo.diagnostic)
  (version 1)
  (severity error)
  (code LocalDeclarationInWhileBodyUnsupported)
  (message "local declarations are not allowed inside `while` bodies")
  (file "<fixture>")
  (span
    (bytes 53 66)
    (range 6 5 6 18)
  )
  (hint "declare loop locals before the `while` form")
)