@Override
    public void removeAuthEntries(final Map<String, String> headers) {
        jwtContextFactory.removeAuthorisationEntries(headers);
    }
Map the IDP identity provided by the {@link JwtContext} and the
{@link TokenResponse}to a local user. This is for use in a UI based
authentication flow.

@param jwtContext    The identity on the IDP to map to a local user.
@param request       The HTTP request
@param tokenResponse The token received from the IDP.
@return A local {@link UserIdentity} if the identity can be mapped.
stroom-security/stroom-security-common-impl/src/main/java/stroom/security/common/impl/AbstractUserIdentityFactory.java