/**
 * Detects boolean cells (`true`/`false`, or the strings `TRUE`/`FALSE` in any
 * casing) and continues them as a cyclic sequence — `TRUE, FALSE → TRUE, FALSE`.
 *
 * Values are emitted verbatim from the source so their original type and casing
 * are preserved. Running before the copy fallback lets a boolean column register
 * an explicit pattern rather than an anonymous copy.
 *
 * @packageDocumentation
 */
import type { AutoFillPatternDetector, AutoFillSeries } from './pattern-detector';
import { AutoFillDetectorName } from './pattern-detector';
import type { AutoFillValue, DetectContext } from '../types/autofill.types';
export declare class BooleanDetector implements AutoFillPatternDetector {
    readonly name = AutoFillDetectorName.Boolean;
    detect(source: readonly AutoFillValue[], _ctx: DetectContext): AutoFillSeries | null;
}
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