public Map<String, String> createAuthorisationEntries(final String accessToken, final JwtClaims jwtClaims) {
        // Should be common to both internal and external IDPs
        if (NullSafe.isBlankString(accessToken)) {
            return Collections.emptyMap();
        } else if (jwtClaims == null) {
            return Map.of(
                    HttpHeaders.AUTHORIZATION,
                    JwtUtil.BEARER_PREFIX + accessToken);
        } else {

            return Map.of(
                    HttpHeaders.AUTHORIZATION,
                    JwtUtil.BEARER_PREFIX + accessToken);
        }
    }
The user claims, in JSON web tokens (JWT) format.
stroom-security/stroom-security-common-impl/src/main/java/stroom/security/common/impl/StandardJwtContextFactory.java