| 123456789101112131415161718192021 | module.exports = function(hljs) {  return {    case_insensitive: false,    lexemes: '[a-zA-Z][a-zA-Z0-9_-]*',    keywords: {      keyword: 'base-uri child-src connect-src default-src font-src form-action' +        ' frame-ancestors frame-src img-src media-src object-src plugin-types' +        ' report-uri sandbox script-src style-src',    },    contains: [    {      className: 'string',      begin: "'", end: "'"    },    {      className: 'attribute',      begin: '^Content', end: ':', excludeEnd: true,    },    ]  };};
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