/**
 * Piscina worker handler for parallel fontTracer execution.
 *
 * Receives:  { htmlText, stylesheetsWithPredicates }
 * Returns:   Array<{ text, props }>
 *
 * Re-parses HTML with jsdom inside the worker since DOM objects
 * cannot be transferred via structured clone.
 */
interface SerializedStylesheet {
    text: string;
    predicates: Record<string, unknown>;
}
interface TraceTask {
    htmlText: string;
    stylesheetsWithPredicates: SerializedStylesheet[];
}
interface TextByPropsEntry {
    text: string;
    props: Record<string, unknown>;
}
declare function trace(task: TraceTask): TextByPropsEntry[];
export = trace;
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