Does the Angular resource API support adding an initial value for the resource?

Suppose we first check whether a resource is not loading like this:

@if (!countriesResource.isLoading()) {
<ul>
@for (
country of countriesResource.value();
track country.name.official
) {
<li>{{ country.name.official }}</li>
}
</ul>


If the resource is not loading, however has not initiated a request yet, is there a way to provide an initial value so that countriesResource.value() resolves to an initial value?

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