/**
 * Quick Scanner Module
 *
 * Parse chat content and extract candidates using heuristics only.
 * Zero API cost - no AI calls, no API keys required.
 */
import { extractCandidatesByHeuristics } from '../extraction/heuristics/index';
import type { CandidateMessage, ChatSource, ExtractorOptions, ParserOptions } from '../types';
/**
 * Result of a quick scan operation.
 */
export interface QuickScanResult {
    /** Total number of messages parsed */
    readonly messageCount: number;
    /** Date range of the chat */
    readonly dateRange: {
        readonly start: Date;
        readonly end: Date;
    };
    /** Number of unique senders in the chat */
    readonly senderCount: number;
    /** Total URLs found in messages */
    readonly urlCount: number;
    /** Candidate messages found by heuristics, sorted by confidence descending */
    readonly candidates: readonly CandidateMessage[];
    /** Statistics about how candidates were found */
    readonly stats: {
        readonly regexMatches: number;
        readonly urlMatches: number;
        readonly totalUnique: number;
    };
    /** Detected chat source (whatsapp or imessage) */
    readonly source: ChatSource;
}
/**
 * Options for quick scan.
 */
export interface QuickScanOptions {
    /** Parser options (format, timezone) */
    readonly parser?: ParserOptions | undefined;
    /** Extractor options (min confidence, patterns) */
    readonly extractor?: ExtractorOptions | undefined;
    /** Maximum candidates to return (default: all) */
    readonly maxCandidates?: number | undefined;
    /** Maximum messages to process (for testing) */
    readonly maxMessages?: number | undefined;
}
/**
 * Quick scan a chat export to find candidate activities using heuristics only.
 *
 * This function requires NO API keys and makes NO API calls.
 * It uses regex patterns and URL detection to find likely "things to do" activities.
 *
 * @param content Raw chat content (WhatsApp or iMessage export text)
 * @param options Scan options
 * @returns Quick scan result with candidates and stats
 *
 * @example
 * ```typescript
 * // Scan a WhatsApp export
 * const result = quickScan(chatText)
 * console.log(`Found ${result.candidates.length} potential activities`)
 *
 * // Scan with options
 * const result = quickScan(chatText, {
 *   extractor: { minConfidence: 0.6 },
 *   maxCandidates: 50
 * })
 * ```
 */
export declare function quickScan(content: string, options?: QuickScanOptions): QuickScanResult;
/**
 * Quick scan from parsed messages (when already parsed).
 *
 * Use this when you've already parsed the chat and just need to extract candidates.
 *
 * @param messages Already parsed messages
 * @param options Extractor options
 * @returns Candidates and extraction stats
 */
export declare function quickScanMessages(messages: Parameters<typeof extractCandidatesByHeuristics>[0], options?: ExtractorOptions & {
    maxCandidates?: number;
}): {
    candidates: readonly CandidateMessage[];
    stats: {
        regexMatches: number;
        urlMatches: number;
        totalUnique: number;
    };
};
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