import Value from '@alirya/value/value';
export declare function DigitParameters(value: string, subject?: string): Error;
export declare type DigitArgument = Value<string> & {
    subject?: string;
};
export declare function DigitParameter({ value, subject }: DigitArgument): Error;
declare namespace Digit {
    const Parameters: typeof DigitParameters;
    const Parameter: typeof DigitParameter;
    type Argument = DigitArgument;
}
export default Digit;
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