docs: function readLicenseHeaderFile() {
  		if (licenseFileUtf8) {
  			return licenseFileUtf8;
  		}
  
  		if (fs.existsSync(licenseFilePath)) {
  			return fs.readFileSync(licenseFilePath, 'utf8').split(/\r?\n/);
  		}
  
  		throw new gutil.PluginError('gulp-license-check', new Error('The license header file doesn`t exist ' + licenseFilePath));
  	}