assertEquals(HandleType.NONE, HandleType.fromValue(0));
        assertEquals(HandleType.DURABLE_V1, HandleType.fromValue(1));
        assertEquals(HandleType.DURABLE_V2, HandleType.fromValue(2));
        assertEquals(HandleType.PERSISTENT, HandleType.fromValue(3));

        assertThrows(IllegalArgumentException.class, () -> {
            HandleType.fromValue(99);
        });
    }

    @Test

        assertEquals(ChatIntent.SEARCH, ChatIntent.fromValue("search"));
        assertEquals(ChatIntent.SEARCH, ChatIntent.fromValue("SEARCH"));
        assertEquals(ChatIntent.SEARCH, ChatIntent.fromValue("Search"));
    }

    @Test
    public void test_fromValue_summary() {
        assertEquals(ChatIntent.SUMMARY, ChatIntent.fromValue("summary"));
        assertEquals(ChatIntent.SUMMARY, ChatIntent.fromValue("SUMMARY"));

	}
	for i, test := range testCases {
		formValues := make(http.Header)
		formValues.Set("Awsaccesskeyid", test.accessKey)
		formValues.Set("Signature", test.signature)
		formValues.Set("Policy", test.policy)
		_, errCode := doesPolicySignatureV2Match(formValues)
		if errCode != test.errCode {

        return value;
    }

    /**
     * Get HandleType from numeric value
     * @param value the numeric value
     * @return the corresponding HandleType
     */
    public static HandleType fromValue(int value) {
        for (HandleType type : values()) {
            if (type.value == value) {
                return type;
            }
        }

     *
     * @param value the numeric value
     * @return the corresponding WitnessEventType
     * @throws IllegalArgumentException if value is not recognized
     */
    public static WitnessEventType fromValue(int value) {
        for (WitnessEventType type : values()) {
            if (type.value == value) {
                return type;
            }
        }

     * Parses a string value to ChatIntent enum.
     *
     * @param value the string value to parse
     * @return the corresponding ChatIntent, defaults to UNCLEAR if not found
     */
    public static ChatIntent fromValue(final String value) {
        if (value == null) {
            return UNCLEAR;
        }
        for (final ChatIntent intent : values()) {
            if (intent.value.equalsIgnoreCase(value.trim())) {