input = new TypedIOPort(this, "input", true, false);
input.setTypeEquals(BaseType.STRING);
output = new TypedIOPort(this, "output", false, true);
output.setTypeEquals(new ArrayType(BaseType.INT));
_attachText("_iconDescription", "<svg>\n"
+ "<polygon points=\"-15,-15 15,15 15,-15 -15,15\" "
+ "style=\"fill:white\"/>\n" + "</svg>\n");
}