p);

                    validate20EffectivePluginDependencies(problems, p, request);
                }

                validate20RawResources(problems, build.getResources(), "build.resources.resource.", request);

                validate20RawResources(
                        problems, build.getTestResources(), "build.testResources.testResource.", request);
            }

     * @return a string listing referenced document titles
     */
    protected String buildSourceTitlesContent(final ChatMessage msg, final int summaryMaxChars) {
        final List<ChatSource> sources = msg.getSources();
        if (sources == null || sources.isEmpty()) {
            return buildTruncatedContent(msg, summaryMaxChars);
        }
        final int maxSuffixLen = Math.max(0, summaryMaxChars / 4);

	if crypto.S3KMS.IsRequested(r.Header) { // SSE-KMS is not supported
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
		return
	}

	bucket := mux.Vars(r)["bucket"]
	resource, err := getResource(r.URL.Path, r.Host, globalDomainNames)
	if err != nil {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return
	}

	// Make sure that the URL does not contain object name.