default Stream<ShapeMatch> matches(Model model) {
        return matches(model, StartingContext.DEFAULT);
    }
Returns a stream of {@link ShapeMatch} objects for each match found in
a model.

@param model Model to match the selector against.
@return Returns a stream of {@code ShapeMatch} objects.
smithy-model/src/main/java/software/amazon/smithy/model/selector/Selector.java