code: public static EphemeralKey create(EphemeralKeyCreateParams params, RequestOptions options)
        throws StripeException {
      checkNullTypedParams(classUrl(EphemeralKey.class), params);
      return create(params.toMap(), options);
    }
docs: Creates an ephemeral API key for a given resource.
  
  @param params request parameters
  @param options request options. {@code stripeVersion} is required when creating ephemeral
  keys. it must have non-null {@link RequestOptions#getStripeVersionOverride()}.
  @return the new ephemeral key