@Deprecated
    public static StringBuilder elapsed(long elapsedNanos) {
        return elapsed(elapsedNanos, TimeUnit.NANOSECONDS);
    }
Creates a new {@link StringBuilder} whose content is the human-readable representation of the duration
given as {@code elapsed}.

@deprecated Use {@link #elapsed(long, TimeUnit)}.
core/src/main/java/com/linecorp/armeria/common/util/TextFormatter.java