applicableTo

Return true if the node can be represented by this PlaceholderElement. For example, a certain PlaceholderElement could be used only to match expressions or statements. In case this is a multiple quoted element, and it is used to match many elements, each element should be passed to this method. For example, if a certain PlaceholderElement is used to match a sequence of three statements S1, S2, and S3, all of them should be passed, one by one, as parameters of this method.