@JsonProperty("isBase64Encoded")
    public boolean isBase64Encoded() {
        return isBase64Encoded;
    }
@Test
    void deserialize_base64Encoded_readsBoolCorrectly() throws IOException {
        AwsProxyRequest req = new AwsProxyRequestBuilder()
                .fromJsonString(getRequestJson(true, CUSTOM_HEADER_KEY_LOWER_CASE, CUSTOM_HEADER_VALUE)).build();
        assertTrue(req.isBase64Encoded());
        req = new AwsProxyRequestBuilder()
                .fromJsonString(getRequestJson(false, CUSTOM_HEADER_KEY_LOWER_CASE, CUSTOM_HEADER_VALUE)).build();
        assertFalse(req.isBase64Encoded());
    }