code: public static List<String> getParameterSignatures(String methodSignature) {
  
          int start = methodSignature.indexOf('(') + 1;
          int limit = methodSignature.lastIndexOf(')');
  
          if ((limit - start) == 0) {
              return Collections.emptyList();
          }
  
          List<String> parmSignatures = new ArrayList<>();
          int sigStart = start;
          for (int i = start; i < limit; i++) {
              if (!methodSignature.startsWith(Values.SIG_ARRAY_PREFIX, i)) {
                  if (methodSignature.startsWith(Values.SIG_QUALIFIED_CLASS_PREFIX, i)) {
                      int semiPos = methodSignature.indexOf(Values.SIG_QUALIFIED_CLASS_SUFFIX_CHAR, i + 1);
                      parmSignatures.add(methodSignature.substring(sigStart, semiPos + 1));
                      i = semiPos;
                  } else if (!isWonkyEclipseSignature(methodSignature, i)) {
                      parmSignatures.add(methodSignature.substring(sigStart, i + 1));
                  }
                  sigStart = i + 1;
              }
          }
  
          return parmSignatures;
      }
docs: returns a List of parameter signatures
  
  @param methodSignature
  the signature of the method to parse
  @return a list of parameter signatures