docs: public static String rewriteSignature(ClassNameRewriter classNameRewriter, String signature) {
          if (classNameRewriter != IdentityClassNameRewriter.instance() && signature.startsWith("L")) {
  
              String className = signature.substring(1, signature.length() - 1).replace('/', '.');
              className = classNameRewriter.rewriteClassName(className);
  
              signature = "L" + className.replace('.', '/') + ";";
          }
  
          return signature;
      }