void setValueImpl(Argument value, boolean send) {
if (value == null) {
throw new NullPointerException();
}
Argument oldValue = this.value;
if (send) {
send(CallArguments.create(value));
}
this.value = value;
if (!Argument.equivalent(null, oldValue, value)) {
pcs.firePropertyChange(property, oldValue, value);
}
}
