import { NumberLike, Parser } from '../types';
/**
 * Check if a number type is signed.
 *
 * @param type The type to check.
 * @return Whether the type is signed.
 */
export declare const isSigned: (type: string) => boolean;
/**
 * Get a number-like value as bigint.
 *
 * @param value The number-like value to parse.
 * @return The value parsed as bigint.
 */
export declare const asNumber: (value: NumberLike) => bigint;
export declare const number: Parser<NumberLike, bigint>;