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(Prism.languages.antlr4 = {
  comment: /\/\/.*|\/\*[\s\S]*?(?:\*\/|$)/,
  string: { pattern: /'(?:\\.|[^\\'\r\n])*'/, greedy: !0 },
  'character-class': {
    pattern: /\[(?:\\.|[^\\\]\r\n])*\]/,
    greedy: !0,
    alias: 'regex',
    inside: {
      range: {
        pattern: /([^[]|(?:^|[^\\])(?:\\\\)*\\\[)-(?!\])/,
        lookbehind: !0,
        alias: 'punctuation',
      },
      escape:
        /\\(?:u(?:[a-fA-F\d]{4}|\{[a-fA-F\d]+\})|[pP]\{[=\w-]+\}|[^\r\nupP])/,
      punctuation: /[\[\]]/,
    },
  },
  action: {
    pattern: /\{(?:[^{}]|\{(?:[^{}]|\{(?:[^{}]|\{[^{}]*\})*\})*\})*\}/,
    greedy: !0,
    inside: {
      content: {
>!0 }, punctuation: /[{}]/, }, }, command: { pattern: /(->\s*(?!\s))(?:\s*(?:,\s*)?\b[a-z]\w*(?:\s*\([^()\r\n]*\))?)+(?=\s*;)/i, lookbehind: !0, inside: { function: /\b\w+(?=\s*(?:[,(]|$))/, punctuation: /[,()]/ }, }, annotation: { pattern: /@\w+(?:::\w+)*/, alias: 'keyword' }, label: { pattern: /#[ \t]*\w+/, alias: 'punctuation' }, keyword: /\b(?:catch|channels|finally|fragment|grammar|import|lexer|locals|mode|options|parser|returns|throws|tokens)\b/, definition: [ { pattern: /\b[a-z]\w*(?=\s*:)/, alias: ['rule', 'class-name'] }, { pattern: /\b[A-Z]\w*(?=\s*:)/, alias: ['token', 'constant'] }, ], constant: /\b[A-Z][A-Z_]*\b/, operator: /\.\.|->|[|~]|[*+?]\??/, punctuation: /[;:()=]/, }), (Prism.languages.g4 = Prism.languages.antlr4);