String jwtClaim =
                "{\"email\":\"******@****.***\",\"sub\":\"1234567890\",\"name\":\"John Doe\",\"groups\":[\"group1\",\"group2\"]}";

        // Execute
        authenticator.parseJwtClaim(jwtClaim, attributes);

        // Verify
        assertEquals("1234567890", attributes.get("sub"));
        assertEquals("John Doe", attributes.get("name"));

        // Check groups array

            }
            parseJwtClaim(jwtClaim, attributes);

            return new OpenIdConnectCredential(attributes);
        } catch (final IOException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to process callbacked request.", e);
            }
        }
        return null;
    }