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// Narrow local declarations for code-highlight-runtime.js. Do not import
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// highlight.js or lowlight types here; their declarations reference lib.dom and
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// would leak DOM types into the Worker typecheck.
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export interface HighlightNode {
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  value?: string;
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  properties?: { className?: string[] | string };
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  children?: HighlightNode[];
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}
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export interface HighlightResultNode {
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  value?: HighlightNode[];
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  children?: HighlightNode[];
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}
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export interface CodeHighlightSegment {
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  text: string;
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  classes: string[];
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}
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export interface CodeBlockHighlighter {
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  highlight(language: string, value: string): HighlightResultNode;
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  highlightAuto(value: string): HighlightResultNode;
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  listLanguages(): string[];
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  registered?(aliasOrLanguage: string): boolean;
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}
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export const codeBlockLowlight: CodeBlockHighlighter;
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export function isPlainTextCodeLanguage(language: string | null | undefined): boolean;
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export function highlightCodeToSegments(language: unknown, code: string): CodeHighlightSegment[];