/** What a character in the amount is, which is what decides how it moves. */
export type AmountGlyphKind = 'prefix' | 'placeholder' | 'digit' | 'separator';
export interface AmountGlyph {
    /** Identity across renders: what mounts is what animates in. */
    key: string;
    char: string;
    kind: AmountGlyphKind;
}
/**
 * The amount split into the characters that animate independently.
 *
 * Keys are what mount and unmount, so they decide what animates. Digits (and
 * the decimal point) are keyed by their position among themselves, skipping
 * group separators — so `555 → 5,555` keeps every digit's identity and only
 * mounts the typed digit. A separator's key carries its slot AND the integer
 * digit count, so growing the integer part remounts every comma: commas
 * dissolve and reappear at their new slots rather than sliding sideways through
 * the digits (they sit at grid positions, not in the digit stream). The
 * fraction is not in that count — typing cents leaves the commas where they are.
 */
export declare function amountGlyphs(value: string, prefix: string): AmountGlyph[];
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