import type { Point } from '../types/index.ts';
export interface XYObjectCheckOptions {
    /**
     * Minimum length
     * @default 0
     */
    minLength?: number;
}
/**
 * Throws an error if it's not an array of x,y objects.
 * Only checks the first element.
 * @param points - List of points.
 * @param options - Additional checks.
 */
export declare function xyObjectCheck(points?: Point[], options?: XYObjectCheckOptions): asserts points is Point[];
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