import { type VariantProps } from "class-variance-authority";
import { dateTimeVariants } from "./variants.js";
export * from "./variants.js";
type DateTimeProps = VariantProps<typeof dateTimeVariants> & {
    /**
     * ISO date string ("2026-04-04"), ISO datetime ("2026-04-04T14:30:00"),
     * or for date-range two ISO dates joined by "/" ("2026-04-01/2026-04-30").
     */
    value: string;
};
/** Formats an ISO date as the `date` variant renders it — "Apr 4, 2026". */
export declare function fmtDate(iso: string): string;
/**
 * Formats two ISO dates as the `date-range` variant renders them — collapses
 * a shared month ("Apr 1 – 30, 2026") or year ("Apr 1 – May 15, 2026").
 */
export declare function fmtDateRange(startIso: string, endIso: string): string;
/**
 * Consistent date and time display control.
 *
 * Replaces ad-hoc `.toLocaleDateString()` calls.
 * Renders as a semantic `<time>` element.
 *
 * @example
 * <DateTime value="2026-04-04" />
 * <DateTime value="2026-04-04T14:30:00" variant="datetime" />
 * <DateTime value="2026-04-01/2026-04-30" variant="date-range" />
 * <DateTime value={project.createdAt} variant="relative" tone="muted" />
 */
export declare function DateTime({ value, variant, tone, size, }: DateTimeProps): import("react").JSX.Element;
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