import type { NumberValue } from 'd3-scale';
import { type ContinuousScale } from './has-horizontal-label-collision.js';
export declare const DEFAULT_MIN_TICK_COUNT = 2;
export interface TickCandidate {
    formattedTicks: string[];
    rawTicks: NumberValue[];
}
export interface AdaptiveReductionOptions {
    maxIterations?: number;
    minTickCount?: number;
    /**
     * When provided, collision detection uses domain-aware alignment (AC1) instead
     * of the legacy index-based alignment. Pass `[domainMin, domainMax]` as numbers
     * (use `+` to convert Date values).
     */
    domainBounds?: [number, number];
}
/**
 * Adaptively reduces horizontal tick candidates until labels no longer
 * collide or the minimum tick count is reached.
 *
 * @param getCandidate - Called on each iteration with the 0-based attempt
 *   index. Must return the next candidate tick set. The callback is
 *   responsible for its own reduction strategy (e.g. doubling the step,
 *   halving the d3 tick count hint, etc.). Return `null` to signal that
 *   no further reduction is possible and the loop should stop.
 * @param scale - The d3 continuous scale used for pixel-position calculations.
 * @param options - Tuning knobs for the reduction loop.
 * @returns The first non-colliding candidate, or the last candidate when
 *   the loop exhausts all iterations / reaches the minimum tick count.
 */
export declare function adaptivelyReduceHorizontalTicks<T extends TickCandidate>(getCandidate: (attempt: number) => T | null, scale: ContinuousScale, options?: AdaptiveReductionOptions): T;