public WarningFilter(
	IStringMatcher messageMatcher = null,
	IStringMatcher sourceMatcher = null
)

new : 
        ?messageMatcher : IStringMatcher * 
        ?sourceMatcher : IStringMatcher 
(* Defaults:
        let _messageMatcher = defaultArg messageMatcher null
        let _sourceMatcher = defaultArg sourceMatcher null
*)
-> WarningFilter