code: public void getBrandResourcesByContentType(String accountId, String brandId, String resourceContentType) throws ApiException {
      getBrandResourcesByContentType(accountId, brandId, resourceContentType, null);
    }
docs: Returns the specified branding resource file.
  
  @param accountId The external account number (int) or account ID Guid. (required)
  @param brandId The unique identifier of a brand. (required)
  @param resourceContentType  (required)
  @return void