/**
 * Maps English digits to Nepali unicode digits.
 */
export declare const digitMap: {
    readonly '0': "०";
    readonly '1': "१";
    readonly '2': "२";
    readonly '3': "३";
    readonly '4': "४";
    readonly '5': "५";
    readonly '6': "६";
    readonly '7': "७";
    readonly '8': "८";
    readonly '9': "९";
};
/**
 * Converts a string of Nepali unicode digits (०-९) to a JavaScript number.
 * Throws if input is not a valid Nepali digit string or exceeds safe integer.
 * @param numStr Nepali digit string
 * @returns number
 */
export declare const unicodeToEnglishNumber: (numStr: string) => number;