String resourcePrefix = resourcePrefixBuilder.get(cssResource.getQualifiedSourceName());
// This substitution map will prefix each renamed class with the resource prefix and use a
// MinimalSubstitutionMap for computing the obfuscated name.
SubstitutionMap prefixingSubstitutionMap = new PrefixingSubstitutionMap(
new MinimalSubstitutionMap(), obfuscationPrefix + resourcePrefix + "-");
for (JMethod method : cssResource.getOverridableMethods()) {
if (method == getNameMethod || method == getTextMethod || method == ensuredInjectedMethod) {
continue;
}