code: public ExpiryPolicyBuilder<K, V> access(Duration access) {
      if (access != null && access.isNegative()) {
        throw new IllegalArgumentException("Access duration must be positive");
      }
      return access((a, b) -> access);
    }
docs: Set TTI since last access.
  <p>
  Note: Calling this method on a builder with an existing TTI since last access will override the previous value or function.
  
  @param access TTI since last access
  @return a new builder with the TTI since last access