throw new ToolchainsBuildingException(convert(e.getProblems()));
        }
    }

    private Source convert(org.apache.maven.building.Source source) {
        if (source instanceof FileSource fs) {
            return Source.fromPath(fs.getPath());
        } else if (source != null) {
            return new Source() {
                @Override
                public Path getPath() {
                    return null;

	dm.Lock(id, source)
	time.Sleep(time.Duration(10+(rand.Float32()*50)) * time.Millisecond)
	dm.Unlock(context.Background())

	dm.Lock(id, source)
	time.Sleep(time.Duration(10+(rand.Float32()*50)) * time.Millisecond)
	dm.Unlock(context.Background())

	dm.Lock(id, source)
	time.Sleep(time.Duration(10+(rand.Float32()*50)) * time.Millisecond)
	dm.Unlock(context.Background())

	dm.Lock(id, source)

            Severity severity,
            Version version,
            String source,
            int lineNumber,
            int columnNumber,
            String modelId,
            Exception exception) {
        this.message = message;
        this.severity = (severity != null) ? severity : Severity.ERROR;
        this.source = (source != null) ? source : "";
        this.lineNumber = lineNumber;

            result.setParameters(DfTypeUtil.toString(source.get("parameters")));
            result.setPassword(DfTypeUtil.toString(source.get("password")));
            result.setPort(DfTypeUtil.toInteger(source.get("port")));
            result.setProtocolScheme(DfTypeUtil.toString(source.get("protocolScheme")));
            result.setUpdatedBy(DfTypeUtil.toString(source.get("updatedBy")));

     */
    DefaultProblem(
            String message, Severity severity, String source, int lineNumber, int columnNumber, Exception exception) {
        this.message = message;
        this.severity = (severity != null) ? severity : Severity.ERROR;
        this.source = (source != null) ? source : "";
        this.lineNumber = lineNumber;
        this.columnNumber = columnNumber;
        this.exception = exception;

#       by Bash, Ksh, etc; in particular arrays are avoided.
#
#       The "traditional" practice of packing multiple parameters into a
#       space-separated string is a well documented source of bugs and security
#       problems, so this is (mostly) avoided, by progressively accumulating
#       options in "$@", and eventually passing that to Java.
#

            result.setReplacement(DfTypeUtil.toString(source.get("replacement")));
            result.setSortOrder(DfTypeUtil.toInteger(source.get("sortOrder")));
            result.setUpdatedBy(DfTypeUtil.toString(source.get("updatedBy")));
            result.setUpdatedTime(DfTypeUtil.toLong(source.get("updatedTime")));
            result.setUserAgent(DfTypeUtil.toString(source.get("userAgent")));

        }
    }

    private static final class SourceCacheKey {
        private final Source source;

        private final String tag;

        private final int hash;

        SourceCacheKey(Source source, String tag) {
            this.source = source;
            this.tag = tag;
            this.hash = Objects.hash(source, tag);
        }

        @Override
        public String toString() {

        // merge implicitly assumes that merge is only called on the same GAV and does not perform any validation here!
        Metadata source = new Metadata();
        source.setArtifactId("source-artifact");
        source.setGroupId("source-group");
        source.setVersion("2.0");
        assertFalse(target.merge(source));
        assertEquals("myArtifact", target.getArtifactId());
        assertEquals("myGroup", target.getGroupId());

	if job.Replicate != nil {
		if job.Replicate.Source.Snowball.Disable == nil {
			job.Replicate.Source.Snowball.Disable = ptr(false)
		}
		if job.Replicate.Source.Snowball.Batch == nil {
			job.Replicate.Source.Snowball.Batch = ptr(100)
		}
		if job.Replicate.Source.Snowball.InMemory == nil {
			job.Replicate.Source.Snowball.InMemory = ptr(true)
		}
		if job.Replicate.Source.Snowball.Compress == nil {