private static ArmeriaProcessor createProcessor(Adapter coyoteAdapter) throws Throwable {
        if (TomcatVersion.major() >= 9) {
            return (ArmeriaProcessor) PROCESSOR_CONSTRUCTOR.invoke(coyoteAdapter);
        } else {
            return (ArmeriaProcessor) PROCESSOR_CONSTRUCTOR.invoke();
        }
    }
Returns Tomcat {@link Connector}.

@return the Tomcat {@link Connector}, or {@code null} if the {@link Connector} is not available yet.
tomcat10/src/main/java/com/linecorp/armeria/server/tomcat/TomcatService.java