@Override
    public VariableResolver createVariable(String name, Object value, Class<?> type) {
        return null;
    }
@see org.mvel2.integration.VariableResolverFactory#createVariable(java.lang.String, java.lang.Object, java.lang.Class)
test/common/src/main/java/io/apiman/test/common/util/TestVariableResolverFactory.java