/**
 * Render-time formatting helpers for the sales Svelte surfaces.
 *
 * All monetary values across `@happyvertical/smrt-sales` are integer cents
 * (`*Cents` fields); these helpers convert to display strings at the render
 * boundary only — view models keep the raw cents. Every helper is pure and
 * locale-parameterised so it stays deterministic under test.
 *
 * @module
 */
/** Placeholder rendered for absent/unparseable values. */
export declare const EMPTY_VALUE_PLACEHOLDER = "\u2014";
/**
 * Format integer cents as a localized currency string in major units.
 *
 * Negative-safe (clawbacks/adjustments render as negative amounts) and
 * tolerant of accidental float inputs (rounded to whole cents first,
 * half-away-from-zero — the module's `roundCents()` contract). Unknown
 * currency codes fall back to `"<major-units> <code>"` instead of throwing.
 *
 * @param amountCents - Amount in integer cents (may be negative).
 * @param currency - ISO 4217 currency code, e.g. `'USD'`.
 * @param locale - BCP 47 locale; defaults to the runtime locale.
 */
export declare function formatCents(amountCents: number, currency: string, locale?: string): string;
/**
 * Format a date-ish value as a localized medium date (e.g. `Mar 5, 2026`).
 *
 * `null`/`undefined`/empty/unparseable inputs render the shared
 * {@link EMPTY_VALUE_PLACEHOLDER} so optional lifecycle timestamps
 * (`qualifiedAt`, `paidAt`, …) can be passed straight through.
 *
 * @param d - A `Date`, an ISO-8601 string, or `null`/`undefined`.
 * @param locale - BCP 47 locale; defaults to the runtime locale.
 */
export declare function formatDate(d: Date | string | null | undefined, locale?: string): string;
/**
 * Format a 0–1 fraction as a localized percentage with at most one decimal
 * (e.g. `0.5` → `50%`, `0.333` → `33.3%`). Used for credit fractions, split
 * shares, plan rates, and win rates.
 *
 * @param fraction - Fraction in the 0–1 range (values outside still format).
 * @param locale - BCP 47 locale; defaults to the runtime locale.
 */
export declare function formatPercent(fraction: number, locale?: string): string;
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