BodyBuilder builder = new BodyBuilder().begin();
addDefaultBindingSetup(parameterName, defaultPrefix, defaultBinding, resourcesFieldName, transformation,
builder);
builder.addln("%s = %s.isInvariant(\"%s\");", invariantFieldName, resourcesFieldName, parameterName);
// Store the current value of the field into the default field. This value will
// be used to reset the field after rendering.
builder.addln("%s = %s;", defaultFieldName, fieldName);