}
            }

            abstract void doInterpolate(Object target, InterpolateObjectAction ctx) throws IllegalAccessException;
        }

        static final class StringField extends CacheField {
            StringField(Field field) {
                super(field);
            }

            @Override
            void doInterpolate(Object target, InterpolateObjectAction ctx) throws IllegalAccessException {

		UIntField          uint
		UInt8Field         uint8
		UInt16Field        uint16
		UInt32Field        uint32
		UInt64Field        uint64
		Float32Field       float32
		Float64Field       float64
		StringField        string
		TimeField          time.Time
		TimePtrField       *time.Time
		EmbeddedStruct     `gorm:"embedded"`
		*EmbeddedPtrStruct `gorm:"embedded"`
	}

	currTime := time.Now()

        assertEquals("user", roles.get(1));
    }

    @Test
    public void test_parseJwtClaim_nestedObject() throws IOException {
        final String jwtClaim = "{\"address\":{\"street\":\"123 Main St\",\"city\":\"Springfield\"}}";
        final Map<String, Object> attributes = new HashMap<>();

        authenticator.parseJwtClaim(jwtClaim, attributes);

        assertTrue(attributes.get("address") instanceof Map);

        document.put("string_field", "value1");
        document.put("string_array_field", new String[] { "value2", "value3" });
        document.put("list_field", java.util.Arrays.asList("value4", "value5"));
        document.put("int_field", 123);

        String[] stringValues = defaultContentsParser.getFieldValues(document, "string_field");
        assertEquals(1, stringValues.length);