/*! `protobuf` grammar compiled for Highlight.js 11.10.0 */
  (function(){
    var hljsGrammar = (function () {
  'use strict';

  /*
  Language: Protocol Buffers
  Author: Dan Tao <daniel.tao@gmail.com>
  Description: Protocol buffer message definition format
  Website: https://developers.google.com/protocol-buffers/docs/proto3
  Category: protocols
  */

  function protobuf(hljs) {
    const KEYWORDS = [
      "package",
      "import",
      "option",
      "optional",
      "required",
      "repeated",
      "group",
      "oneof"
    ];
    const TYPES = [
      "double",
      "float",
      "int32",
      "int64",
      "uint32",
      "uint64",
      "sint32",
      "sint64",
      "fixed32",
      "fixed64",
      "sfixed32",
      "sfixed64",
      "bool",
      "string",
      "bytes"
    ];
    const CLASS_DEFINITION = {
      match: [
        /(message|enum|service)\s+/,
        hljs.IDENT_RE
      ],
      scope: {
        1: "keyword",
        2: "title.class"
      }
    };

    return {
      name: 'Protocol Buffers',
      aliases: ['proto'],
      keywords: {
        keyword: KEYWORDS,
        type: TYPES,
        literal: [
          'true',
          'false'
        ]
      },
      contains: [
        hljs.QUOTE_STRING_MODE,
        hljs.NUMBER_MODE,
        hljs.C_LINE_COMMENT_MODE,
        hljs.C_BLOCK_COMMENT_MODE,
        CLASS_DEFINITION,
        {
          className: 'function',
          beginKeywords: 'rpc',
          end: /[{;]/,
          excludeEnd: true,
          keywords: 'rpc returns'
        },
        { // match enum items (relevance)
          // BLAH = ...;
          begin: /^\s*[A-Z_]+(?=\s*=[^\n]+;$)/ }
      ]
    };
  }

  return protobuf;

})();

    hljs.registerLanguage('protobuf', hljsGrammar);
  })();