How to use the backfill-logger.logger.silly function in backfill-logger

const externalDeoendencies = resolveExternalDependencies(
    allDependencies,
    workspaces,
    yarnLock
  );

  const resolvedDependencies = [
    ...internalDependencies,
    ...externalDeoendencies
  ];

  const filesHash = await generateHashOfFiles(packageRoot);
  const dependenciesHash = hashStrings(resolvedDependencies);

  logger.silly(name);
  logger.silly(`  ${filesHash} (fileHash)`);
  logger.silly(`  ${dependenciesHash} (dependenciesHash)`);

  const packageHash = {
    name,
    filesHash,
    dependenciesHash,
    internalDependencies
  };

  return packageHash;
}

.on("all", (event, filePath) => {
      const logLine = `${filePath} (${event})`;
      logger.silly(`[audit] File change: ${logLine}`);

      if (!anymatch(cacheFolderGlob, filePath)) {
        changedFilesOutsideScope.push(logLine);
      } else {
        changedFilesInsideScope.push(logLine);
      }
    });
}

const externalDeoendencies = resolveExternalDependencies(
    allDependencies,
    workspaces,
    yarnLock
  );

  const resolvedDependencies = [
    ...internalDependencies,
    ...externalDeoendencies
  ];

  const filesHash = await generateHashOfFiles(packageRoot);
  const dependenciesHash = hashStrings(resolvedDependencies);

  logger.silly(name);
  logger.silly(`  ${filesHash} (fileHash)`);
  logger.silly(`  ${dependenciesHash} (dependenciesHash)`);

  const packageHash = {
    name,
    filesHash,
    dependenciesHash,
    internalDependencies
  };

  return packageHash;
}

}).then(result => {
      logger.silly("getHashOfOwnFiles:", result);
      return result.hash;
    });
  }

return this.getPackageHash(dependencyPath, dependency).then(hash => {
            logger.silly(`getHashOfDependencies: ${dependency}: ${hash}`);
            return hash;
          });
        } else {