public SELF requestContentSanitizer(
            BiFunction<? super RequestContext, Object, ? extends @Nullable T> requestContentSanitizer) {
        this.requestContentSanitizer = requireNonNull(requestContentSanitizer, "requestContentSanitizer");
        return self();
    }
Sets the {@link BiFunction} to use to sanitize request content before logging. It is common to have the
{@link BiFunction} that removes sensitive content, such as an GPS location query, before logging.
If unset, will not sanitize request content.
core/src/main/java/com/linecorp/armeria/common/logging/AbstractLogFormatterBuilder.java