public EncodingServiceBuilder encodableRequestHeaders(
            Predicate<? super RequestHeaders> encodableRequestHeadersPredicate) {
        requireNonNull(encodableRequestHeadersPredicate, "encodableRequestHeadersPredicate");
        this.encodableRequestHeadersPredicate = encodableRequestHeadersPredicate;
        return this;
    }
Sets the specified {@link Predicate} to evaluate whether the corresponding {@link HttpResponse} of the
{@link HttpRequest} whose {@link RequestHeaders} is the input of the {@link Predicate}
is encodable or not.
core/src/main/java/com/linecorp/armeria/server/encoding/EncodingServiceBuilder.java