Always always returns true.

Command creates a filter rule that matches if the raw message is a command and is in the prefixList.

FullMatch creates a filter rule that matches if the raw message is the same with one of the strings.

Keyword creates a filter rule that matches if the raw message contains one of the keywords.

Never never returns true.

Notice filters messages with specified notice types.

OfType filters messages that has the specified type for specified adapter # You must be sure the message has at least one segment.

RegEx creates a filter rule that matches if the raw message does match one of the RegEx expressions.

ToMe filters messages that are directed to the bot.(@bot or private message, should be identified by adapters) If your adapter don't, what can i say?.

Describes a filter rule, you can create your own rule by implementing this.

Describes a list of rules, all the Filter results are "OR"ed together, all the Rules results are "AND"ed together.

Describes the way the rules are combined.