public ResteasyServiceBuilder<T> securityDomain(SecurityDomain securityDomain) {
        this.securityDomain = requireNonNull(securityDomain, "securityDomain");
        return this;
    }
Sets the {@link SecurityDomain} for {@link ResteasyService}.
resteasy/src/main/java/com/linecorp/armeria/server/resteasy/ResteasyServiceBuilder.java