public CorsServiceBuilder disablePreflightResponseHeaders() {
        firstPolicyBuilder.disablePreflightResponseHeaders();
        return this;
    }
Specifies that no preflight response headers should be added to a preflight response.

@return {@link CorsServiceBuilder} to support method chaining.
core/src/main/java/com/linecorp/armeria/server/cors/CorsServiceBuilder.java