class GrantOfferLetterController {

    @GetMapping("/{projectId}/additional-contract")
    public @ResponseBody ResponseEntity<Object> getAdditionalContractFileContents(
            @PathVariable("projectId") long projectId) throws IOException {
        return fileControllerUtils.handleFileDownload(() -> grantOfferLetterService.getAdditionalContractFileAndContents(projectId));
    }

}