A script reports the following:

## packages for jdk.httpserver: com.sun.net.httpserver com.sun.net.httpserver.spi
no @since in open/src/jdk.httpserver/share/classes/com/sun/net/httpserver/Authenticator.java
no @since in open/src/jdk.httpserver/share/classes/com/sun/net/httpserver/BasicAuthenticator.java
no @since in open/src/jdk.httpserver/share/classes/com/sun/net/httpserver/HttpPrincipal.java
no @since in open/src/jdk.httpserver/share/classes/com/sun/net/httpserver/spi/HttpServerProvider.java
found: 13
missing: 4