private final Source source;

        MappedSettingsSource(Source source) {
            this.source = source;
        }

        @Override
        public InputStream getInputStream() throws IOException {
            return source.openStream();
        }

        @Override
        public String getLocation() {
            return source.getLocation();
        }
    }

        Source globalSource = request.getGlobalSettingsSource().orElse(null);
        Settings global = readSettings(globalSource, false, request, problems);

        Source projectSource = request.getProjectSettingsSource().orElse(null);
        Settings project = readSettings(projectSource, true, request, problems);

        Source userSource = request.getUserSettingsSource().orElse(null);