super(funcName, retType);
}
protected FunctionSignature[] signatures() {
final FunctionSignature[] s = new FunctionSignature[2];
s[0] = new FunctionSignature(getName(), new Type[] { getReturnType() });
s[1] = new FunctionSignature(getName(), new Type[] { getReturnType(),
TypeRegistry.safeGet("xs:dayTimeDuration?") });
return s;
}