export interface FormatRollingValueOptions {
    /** Number of decimal places to render. Omit to keep the value's own precision. */
    decimalScale?: number;
    /** Pad the decimal part with zeros up to `decimalScale`. */
    fixedDecimalScale?: boolean;
    /** `true` for `,`, or an explicit separator string. */
    thousandSeparator?: boolean | string;
    /** Character between the integer and decimal parts. Default `.`. */
    decimalSeparator?: string;
}
/**
 * Renders a number the way the component should display it.
 *
 * Kept free of React so the digit-splitting logic and its edge cases (negative
 * zero, exponent notation, fixed decimals) are testable on their own.
 */
export declare const formatRollingValue: (value: number, options?: FormatRollingValueOptions) => string;
export interface RollingCell {
    /** Stable identity across renders — digits keep their place value. */
    key: string;
    char: string;
    isDigit: boolean;
    /**
     * Place value: `0` is the ones column, `1` the tens, `-1` the tenths. Digits
     * are keyed by this rather than by string index so crossing a magnitude
     * (`999` → `1,000`) does not renumber every column and restart its animation.
     */
    place: number;
}
/** Splits a formatted number into animated digit cells and static separators. */
export declare const toRollingCells: (formatted: string, decimalSeparator?: string) => RollingCell[];