I have a problem when i use prog module in caporal. i cannot use it because exist error 'cannot find module prog' . I have import with use 'import prog from "caporal"'. This is my code

#!/usr/bin/env node
const { program } = require("@caporal/core");
import prog from "caporal"; //not work

program

  .command("random", "Generate random alphanumeric")
  .option("--length", "length of string",prog.Int, 32)
  // .option("--letters", "allow letters or not", true)
  .action(({ logger, args, options }) => {
    // logger.info(options.length)
    let leng = options.length;
    logger.info(leng);
  });

program.run();

how i call prog module so that i cannot get error 'cannot find module prog'. Now i use latest version caporal