/**
 * @license
 * Copyright 2025 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
declare global {
    interface Math {
        sumPrecise?(values: Iterable<number>): number;
    }
}
/**
 * Sums numbers with improved precision compared to naive summation.
 * Uses {@link Math.sumPrecise} when available (Firefox 137+, Safari 26.2+),
 * otherwise falls back to Kahan compensated summation.
 */
export declare const sumPrecise: (values: Iterable<number>) => number;