public static PayloadChecksums from(PayloadChecksum... checksums) {
        PayloadChecksums payloadChecksums = new PayloadChecksums();
        Arrays.stream(checksums).filter(Objects::nonNull).forEach(payloadChecksums::add);
        return payloadChecksums;
    }
Checksums for config payload, typically 1 for each PayloadChecksum type (md5 and xxhash64).
Initialized with empty checksum for each existing type.

@author hmusum
config/src/main/java/com/yahoo/vespa/config/PayloadChecksums.java