/*! `csharp` grammar compiled for Highlight.js 11.9.0 */
  (function(){
    var hljsGrammar = (function () {
  'use strict';

  /*
  Language: C#
  Author: Jason Diamond <jason@diamond.name>
  Contributor: Nicolas LLOBERA <nllobera@gmail.com>, Pieter Vantorre <pietervantorre@gmail.com>, David Pine <david.pine@microsoft.com>
  Website: https://docs.microsoft.com/dotnet/csharp/
  Category: common
  */

  /** @type LanguageFn */
  function csharp(hljs) {
    const BUILT_IN_KEYWORDS = [
      'bool',
      'byte',
      'char',
      'decimal',
      'delegate',
      'double',
      'dynamic',
      'enum',
      'float',
      'int',
      'long',
      'nint',
      'nuint',
      'object',
      'sbyte',
      'short',
      'string',
      'ulong',
      'uint',
      'ushort'
    ];
    const FUNCTION_MODIFIERS = [
      'public',
      'private',
      'protected',
      'static',
      'internal',
      'protected',
      'abstract',
      'async',
      'extern',
      'override',
      'unsafe',
      'virtual',
      'new',
      'sealed',
      'partial'
    ];
    const LITERAL_KEYWORDS = [
      'default',
      'false',
      'null',
      'true'
    ];
    const NORMAL_KEYWORDS = [
      'abstract',
      'as',
      'base',
      'break',
      'case',
      'catch',
      'class',
      'const',
      'continue',
      'do',
      'else',
      'event',
      'explicit',
      'extern',
      'finally',
      'fixed',
      'for',
      'foreach',
      'goto',
      'if',
      'implicit',
      'in',
      'interface',
      'internal',
      'is',
      'lock',
      'namespace',
      'new',
      'operator',
      'out',
      'override',
      'params',
      'private',
      'protected',
      'public',
      'readonly',
      'record',
      'ref',
      'return',
      'scoped',
      'sealed',
      'sizeof',
      'stackalloc',
      'static',
      'struct',
      'switch',
      'this',
      'throw',
      'try',
      'typeof',
      'unchecked',
      'unsafe',
      'using',
      'virtual',
      'void',
      'volatile',
      'while'
    ];
    const CONTEXTUAL_KEYWORDS = [
      'add',
      'alias',
      'and',
      'ascending',
      'async',
      'await',
      'by',
      'descending',
      'equals',
      'from',
      'get',
      'global',
      'group',
      'init',
      'into',
      'join',
      'let',
      'nameof',
      'not',
      'notnull',
      'on',
      'or',
      'orderby',
      'partial',
      'remove',
      'select',
      'set',
      'unmanaged',
      'value|0',
      'var',
      'when',
      'where',
      'with',
      'yield'
    ];

    const KEYWORDS = {
      keyword: NORMAL_KEYWORDS.concat(CONTEXTUAL_KEYWORDS),
      built_in: BUILT_IN_KEYWORDS,
      literal: LITERAL_KEYWORDS
    };
    const TITLE_MODE = hljs.inherit(hljs.TITLE_MODE, { begin: '[a-zA-Z](\\.?\\w)*' });
    const NUMBERS = {
      className: 'number',
      variants: [
        { begin: '\\b(0b[01\']+)' },
        { begin: '(-?)\\b([\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)(u|U|l|L|ul|UL|f|F|b|B)' },
        { begin: '(-?)(\\b0[xX][a-fA-F0-9\']+|(\\b[\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)([eE][-+]?[\\d\']+)?)' }
      ],
      relevance: 0
    };
    const VERBATIM_STRING = {
      className: 'string',
      begin: '@"',
      end: '"',
      contains: [ { begin: '""' } ]
    };
    const VERBATIM_STRING_NO_LF = hljs.inherit(VERBATIM_STRING, { illegal: /\n/ });
    const SUBST = {
      className: 'subst',
      begin: /\{/,
      end: /\}/,
      keywords: KEYWORDS
    };
    const SUBST_NO_LF = hljs.inherit(SUBST, { illegal: /\n/ });
    const INTERPOLATED_STRING = {
      className: 'string',
      begin: /\$"/,
      end: '"',
      illegal: /\n/,
      contains: [
        { begin: /\{\{/ },
        { begin: /\}\}/ },
        hljs.BACKSLASH_ESCAPE,
        SUBST_NO_LF
      ]
    };
    const INTERPOLATED_VERBATIM_STRING = {
      className: 'string',
      begin: /\$@"/,
      end: '"',
      contains: [
        { begin: /\{\{/ },
        { begin: /\}\}/ },
        { begin: '""' },
        SUBST
      ]
    };
    const INTERPOLATED_VERBATIM_STRING_NO_LF = hljs.inherit(INTERPOLATED_VERBATIM_STRING, {
      illegal: /\n/,
      contains: [
        { begin: /\{\{/ },
        { begin: /\}\}/ },
        { begin: '""' },
        SUBST_NO_LF
      ]
    });
    SUBST.contains = [
      INTERPOLATED_VERBATIM_STRING,
      INTERPOLATED_STRING,
      VERBATIM_STRING,
      hljs.APOS_STRING_MODE,
      hljs.QUOTE_STRING_MODE,
      NUMBERS,
      hljs.C_BLOCK_COMMENT_MODE
    ];
    SUBST_NO_LF.contains = [
      INTERPOLATED_VERBATIM_STRING_NO_LF,
      INTERPOLATED_STRING,
      VERBATIM_STRING_NO_LF,
      hljs.APOS_STRING_MODE,
      hljs.QUOTE_STRING_MODE,
      NUMBERS,
      hljs.inherit(hljs.C_BLOCK_COMMENT_MODE, { illegal: /\n/ })
    ];
    const STRING = { variants: [
      INTERPOLATED_VERBATIM_STRING,
      INTERPOLATED_STRING,
      VERBATIM_STRING,
      hljs.APOS_STRING_MODE,
      hljs.QUOTE_STRING_MODE
    ] };

    const GENERIC_MODIFIER = {
      begin: "<",
      end: ">",
      contains: [
        { beginKeywords: "in out" },
        TITLE_MODE
      ]
    };
    const TYPE_IDENT_RE = hljs.IDENT_RE + '(<' + hljs.IDENT_RE + '(\\s*,\\s*' + hljs.IDENT_RE + ')*>)?(\\[\\])?';
    const AT_IDENTIFIER = {
      // prevents expressions like `@class` from incorrect flagging
      // `class` as a keyword
      begin: "@" + hljs.IDENT_RE,
      relevance: 0
    };

    return {
      name: 'C#',
      aliases: [
        'cs',
        'c#'
      ],
      keywords: KEYWORDS,
      illegal: /::/,
      contains: [
        hljs.COMMENT(
          '///',
          '$',
          {
            returnBegin: true,
            contains: [
              {
                className: 'doctag',
                variants: [
                  {
                    begin: '///',
                    relevance: 0
                  },
                  { begin: '<!--|-->' },
                  {
                    begin: '</?',
                    end: '>'
                  }
                ]
              }
            ]
          }
        ),
        hljs.C_LINE_COMMENT_MODE,
        hljs.C_BLOCK_COMMENT_MODE,
        {
          className: 'meta',
          begin: '#',
          end: '$',
          keywords: { keyword: 'if else elif endif define undef warning error line region endregion pragma checksum' }
        },
        STRING,
        NUMBERS,
        {
          beginKeywords: 'class interface',
          relevance: 0,
          end: /[{;=]/,
          illegal: /[^\s:,]/,
          contains: [
            { beginKeywords: "where class" },
            TITLE_MODE,
            GENERIC_MODIFIER,
            hljs.C_LINE_COMMENT_MODE,
            hljs.C_BLOCK_COMMENT_MODE
          ]
        },
        {
          beginKeywords: 'namespace',
          relevance: 0,
          end: /[{;=]/,
          illegal: /[^\s:]/,
          contains: [
            TITLE_MODE,
            hljs.C_LINE_COMMENT_MODE,
            hljs.C_BLOCK_COMMENT_MODE
          ]
        },
        {
          beginKeywords: 'record',
          relevance: 0,
          end: /[{;=]/,
          illegal: /[^\s:]/,
          contains: [
            TITLE_MODE,
            GENERIC_MODIFIER,
            hljs.C_LINE_COMMENT_MODE,
            hljs.C_BLOCK_COMMENT_MODE
          ]
        },
        {
          // [Attributes("")]
          className: 'meta',
          begin: '^\\s*\\[(?=[\\w])',
          excludeBegin: true,
          end: '\\]',
          excludeEnd: true,
          contains: [
            {
              className: 'string',
              begin: /"/,
              end: /"/
            }
          ]
        },
        {
          // Expression keywords prevent 'keyword Name(...)' from being
          // recognized as a function definition
          beginKeywords: 'new return throw await else',
          relevance: 0
        },
        {
          className: 'function',
          begin: '(' + TYPE_IDENT_RE + '\\s+)+' + hljs.IDENT_RE + '\\s*(<[^=]+>\\s*)?\\(',
          returnBegin: true,
          end: /\s*[{;=]/,
          excludeEnd: true,
          keywords: KEYWORDS,
          contains: [
            // prevents these from being highlighted `title`
            {
              beginKeywords: FUNCTION_MODIFIERS.join(" "),
              relevance: 0
            },
            {
              begin: hljs.IDENT_RE + '\\s*(<[^=]+>\\s*)?\\(',
              returnBegin: true,
              contains: [
                hljs.TITLE_MODE,
                GENERIC_MODIFIER
              ],
              relevance: 0
            },
            { match: /\(\)/ },
            {
              className: 'params',
              begin: /\(/,
              end: /\)/,
              excludeBegin: true,
              excludeEnd: true,
              keywords: KEYWORDS,
              relevance: 0,
              contains: [
                STRING,
                NUMBERS,
                hljs.C_BLOCK_COMMENT_MODE
              ]
            },
            hljs.C_LINE_COMMENT_MODE,
            hljs.C_BLOCK_COMMENT_MODE
          ]
        },
        AT_IDENTIFIER
      ]
    };
  }

  return csharp;

})();

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