export type NumpadDigit = '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9';
/** `clear` is a held delete key: the whole value goes in one stroke. */
export type NumpadKey = NumpadDigit | '.' | 'backspace' | 'clear';
/**
 * The typed amount after one keypress, as a decimal string.
 *
 * - A lone `.` is not a number any parser accepts, so the leading zero is
 *   written for the user; a second point, and any point at all on a 0-decimal
 *   token, is refused rather than swallowed later.
 * - `0` is a placeholder rather than a leading digit, so typing `5` gives `5`.
 * - Fraction digits stop at the token's `decimals`: past that the input is dust
 *   the transfer can't carry, and it would silently truncate at signing time.
 */
export declare function applyNumpadKey(value: string, key: NumpadKey, maxDecimals?: number): string;
//# sourceMappingURL=numpadInput.d.ts.map