@Deprecated
    @Restricted(DoNotUse.class)
    public static String resolve(ConfigurationContext context, String toInterpolate) {
        return context.getSecretSourceResolver().resolve(toInterpolate);
    }
@Test
    public void resolve_JsonFromFile() throws Exception {
        String input = getPath("secret.json").toAbsolutePath().toString();
        String output = resolve("${json:Our secret:${file:" + input + "}}");
        assertThat(output, equalTo("Hello World"));
    }