import type { BaseUnits, NativeUnits } from '../types.js';
/**
 * Parses `value` into base units.
 *
 * @param value - The value to be parsed, either in base units or formatted units.
 * @param decimals - The number of decimal places to consider for formatted units.
 * @returns The value in base units.
 *
 * @example
 * ```typescript
 * parseUnits('1.0', 18)
 * // => 1000000000000000000n
 * parseUnits(10n, 18)
 * // => 10n
 * ```
 */
export declare function parseUnits(value: BaseUnits | NativeUnits, decimals?: number): BaseUnits;