This rule is defined by the following XPath expression:
//AllocationExpression /ClassOrInterfaceType[ (@Image='Throwable' and count(//ImportDeclaration/Name[ends-with(@Image,'Throwable')]) = 0) or (@Image='Exception' and count(//ImportDeclaration/Name[ends-with(@Image,'Exception')]) = 0) or (@Image='Error' and count(//ImportDeclaration/Name[ends-with(@Image,'Error')]) = 0) or ( @Image='RuntimeException' and count(//ImportDeclaration/Name[ends-with(@Image,'RuntimeException')]) = 0) ]
Example:
public class Foo { public void bar() throws Exception { throw new Exception(); } }