code: function verifyProfile(profile, profileKey) {
      if (!profile.file && !profile.url) {
          throw new Error(`[${profileKey}] Must specify a file or url in the configuration.`);
      }
      if (!profile.output) {
          throw new Error(`[${profileKey}] Must specify an output file path in the configuration.`);
      }
      if (!profile.generator) {
          throw new Error(`[${profileKey}] Must specify a generator in the configuration.`);
      }
      if (profile.generator.toLowerCase() === 'core') {
          throw new Error(`[${profileKey}] Invalid generator ${profile.generator}. This name is reserved.`);
      }
      if (profile.generator.match(/^[\w-]+-language$/i)) {
          throw new Error(`[${profileKey}] Invalid generator ${profile.generator}. The -language suffix is reserved for language helper packages.`);
      }
      profile.debug = profile.debug || {};
      profile.filters = profile.filters || {};
      profile.transforms = profile.transforms || {};
      profile.options = profile.options || {};
  }
docs: Ensure that the profile structure is valid.