@Override
    public Path defaultMultipartUploadsLocation() {
        return Paths.get(System.getProperty("java.io.tmpdir") +
                         File.separatorChar + "armeria" +
                         File.separatorChar + "multipart-uploads");
    }
Implementation of {@link FlagsProvider} which provides default values to {@link Flags}.
core/src/main/java/com/linecorp/armeria/common/DefaultFlagsProvider.java