/**
 * `ProgressBar` — a design-system, accessible progress indicator for a running
 * tool that reports progress (`ctx.report_progress`). Determinate when a
 * positive `total` is known (fills to `value/total`); otherwise indeterminate.
 *
 * The track and fill are classes; only the determinate fill's WIDTH stays inline,
 * because it is the one genuinely per-instance value here. The indeterminate
 * sweep is `tai-progress-fill-indeterminate`.
 *
 * Reusable by any feature's run surface — it takes only the raw
 * progress/total/message a `report_progress` notification carries and renders
 * a native `role="progressbar"` element with the ARIA value fields set.
 */
import type { ReactNode } from 'react';
export interface ProgressBarProps {
    /** Current progress. Clamped to `[0, total]` when `total` is known. */
    readonly value?: number;
    /** Upper bound. When absent or non-positive the bar is INDETERMINATE. */
    readonly total?: number;
    /** Optional human-readable status shown alongside the bar. */
    readonly message?: string;
}
/**
 * Render a progress bar. With a positive `total`, `value/total` fills the track
 * and the percentage is announced via `aria-valuenow`; without one, the bar is
 * indeterminate (no `aria-valuenow`, per ARIA).
 */
export declare function ProgressBar({ value, total, message }: ProgressBarProps): ReactNode;
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