private static <T> void putChannelOption(
            ImmutableMap.Builder<ChannelOption<?>, Object> newChannelOptionsBuilder,
            ChannelOption<T> channelOption, T value) {
        newChannelOptionsBuilder.put(channelOption, value);
    }
Finds the {@link SSLSession} of the current TLS connection.

@return the {@link SSLSession} if found, or {@code null} if not found or {@link Channel} is {@code null}.
core/src/main/java/com/linecorp/armeria/internal/common/util/ChannelUtil.java