/**
 * Signal extraction functions
 */
import type { ExtractedSignals } from './types.js';
/**
 * Extracts matchable signals from a normalized prompt.
 *
 * Signals include:
 * - Words: tokens of 2+ characters
 * - Extensions: file extensions like .pdf, .ts (1-10 chars after dot)
 * - Paths: sequences containing forward slashes
 *
 * @param normalizedPrompt - A prompt that has been normalized
 * @returns ExtractedSignals containing words, extensions, and paths
 */
export declare function extractSignals(normalizedPrompt: string): ExtractedSignals;
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