@Deprecated
    @Restricted(DoNotUse.class)
    public static String resolve(ConfigurationContext context, String toInterpolate) {
        return context.getSecretSourceResolver().resolve(toInterpolate);
    }
@Test
    public void resolve_singleEntry() {
        environment.set("FOO", "hello");
        assertThat(resolve("${FOO}"), equalTo("hello"));
    }