import type { NumericLike, PhpList, PhpNullish, PhpRuntimeValue } from '../_helpers/_phpTypes.ts';
type ProductValue = NumericLike | boolean | PhpNullish;
type ProductInput = PhpRuntimeValue;
export declare function array_product(input: PhpList<ProductValue>): number;
export declare function array_product(input: ProductInput): number | null;
export {};