ConditionBasedFilter Matches when the specified condition is met.

 FilterAttribute Marks class as a layout renderer and assigns a name to it.

 WhenContainsFilter Matches when the calculated layout contains the specified substring. This filter is deprecated in favor of <when /> which is based on conditions.

 WhenEqualFilter Matches when the calculated layout is equal to the specified substring. This filter is deprecated in favor of <when /> which is based on conditions.

 WhenMethodFilter Matches the provided filter-method

 WhenNotContainsFilter Matches when the calculated layout does NOT contain the specified substring. This filter is deprecated in favor of <when /> which is based on conditions.

 WhenNotEqualFilter Matches when the calculated layout is NOT equal to the specified substring. This filter is deprecated in favor of <when /> which is based on conditions.

 WhenRepeatedFilter Matches when the result of the calculated layout has been repeated a moment ago

 FilterResult Filter result.

 Filter An abstract filter class. Provides a way to eliminate log messages based on properties other than logger name and log level.

 LayoutBasedFilter A base class for filters that are based on comparing a value to a layout.