class RuboCop::Cop::ThreadSafety::MutableClassInstanceVariable

def strict_check(value)
  return if immutable_literal?(value)
  return if operation_produces_immutable_object?(value)
  return if operation_produces_threadsafe_object?(value)
  return if frozen_string_literal?(value)
  add_offense(value) do |corrector|
    autocorrect(corrector, value)
  end
end