protected String getClientNameParameter() {
        return Objects.requireNonNullElse(clientNameParameter, DEFAULT_FORCE_CLIENT_PARAMETER);
    }
Tests {@link DefaultSecurityClientFinder}.

@author Jerome Leleu
@since 1.8.0
pac4j-core/src/test/java/org/pac4j/core/client/finder/DefaultSecurityClientFinderTests.java