@Deprecated
    @Restricted(DoNotUse.class)
    public static String resolve(ConfigurationContext context, String toInterpolate) {
        return context.getSecretSourceResolver().resolve(toInterpolate);
    }
@Test
    public void resolve_Base64NestedEnv() {
        String input = "Hello World";
        environment.set("FOO", input);
        String output = resolve("${base64:${FOO}}");
        assertThat(output, equalTo(ENCODE.lookup(input)));
        assertThat(DECODE.lookup(output), equalTo(input));
    }