/**
 * Stagger helpers.
 *
 * @module bquery/motion
 */
import type { StaggerFunction, StaggerOptions } from './types';
/**
 * Create a staggered delay function for list animations.
 *
 * Supports linear sequences, center/end origins, grid layouts, axis-only
 * 2D distributions, and randomized index distance for chaotic looks.
 *
 * @param step - Delay between items in milliseconds
 * @param options - Stagger configuration
 * @returns Function that returns delay for a given index
 *
 * @example Linear stagger
 * ```ts
 * const delay = stagger(50, { from: 'center' });
 * delay(0, 3); // 50
 * delay(1, 3); // 0
 * ```
 *
 * @example Grid stagger
 * ```ts
 * const delay = stagger(40, {
 *   grid: [4, 4],
 *   from: { x: 0, y: 0 },
 * });
 * ```
 */
export declare const stagger: (step: number, options?: StaggerOptions) => StaggerFunction;
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