docs: private void buildPicardCommand() 
        throws IOException, GeneralSecurityException, URISyntaxException {
      File picardJarPath = new File(picardPath, "picard.jar");
      if (!picardJarPath.exists()) {
        throw new IOException("Picard tool not found at " + 
            picardJarPath.getAbsolutePath());
      }
      
      command.add("java");
      command.add(picardJVMArgs);
      command.add("-jar");
      command.add(picardJarPath.getAbsolutePath());
      command.add(picardTool);
      
      for (String picardArg : picardArgs) {
        if (picardArg.startsWith(INPUT_PREFIX)) {
          String inputPath = picardArg.substring(INPUT_PREFIX.length());
          inputs.add(processInput(inputPath));
        } else {
          command.add(picardArg);
        }
      }
      for (Input input : inputs) {
        command.add("INPUT=" + input.pipeName);
      }
    }