/**
 * The ordered detector registry — the strategy dispatcher at the heart of the
 * AutoFill engine.
 *
 * Detectors are tried in priority order; the first that recognizes the source
 * wins. A copy fallback is always available internally, so {@link
 * AutoFillDetectorRegistry.resolve} never returns `null` even if every
 * configurable detector is disabled. New detectors are added by passing them to
 * the constructor — no existing code changes (open/closed).
 *
 * @packageDocumentation
 */
import type { AutoFillPatternDetector, AutoFillSeries } from './detectors/pattern-detector';
import { AutoFillDetectorName } from './detectors/pattern-detector';
import type { AutoFillValue, DetectContext } from './types/autofill.types';
/**
 * Builds the built-in detectors in canonical priority order:
 * Date → Month → Weekday → Numeric → TextNumber → Boolean → Alphabet → Copy.
 *
 * @returns A fresh, ordered array of detector instances.
 */
export declare function createDefaultDetectors(): AutoFillPatternDetector[];
export declare class AutoFillDetectorRegistry {
    private readonly detectors;
    /** Guaranteed fallback so `resolve` is always total, even with an empty list. */
    private readonly fallback;
    /**
     * @param detectors - Detectors in priority order. Defaults to the built-ins.
     */
    constructor(detectors?: readonly AutoFillPatternDetector[]);
    /**
     * Runs detectors in order and returns the first non-null series, falling back
     * to a cyclic copy. Never returns `null`.
     *
     * @param source - Ordered source values for one fill vector.
     * @param ctx    - Detection context.
     */
    resolve(source: readonly AutoFillValue[], ctx: DetectContext): AutoFillSeries;
    /**
     * Returns a new registry containing only the named detectors (original order
     * preserved). The copy fallback is always retained regardless of the filter.
     *
     * @param enabled - Detector names to keep.
     */
    withEnabled(enabled: ReadonlySet<AutoFillDetectorName>): AutoFillDetectorRegistry;
}
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