@SuppressWarnings("UnstableApiUsage") // multipart upload uses beta API
    public MultipartPart storeMultipartPart(MultipartUpload multipart, int part, Payload payload) {
        return blobStore.uploadMultipartPart(multipart, part, payload);
    }
Upload part/chunk of the file

@param multipart MultipartUpload that chunk related to
@param part      chunk number, starting from 1
@param payload    payload
storage/src/main/java/com/epam/aidial/core/storage/blobstore/BlobStorage.java