import { type ReactNode } from 'react';
export interface TraceSlotProps {
    id: string;
    children: ReactNode;
}
/**
 * Slot tracker. Emits `slot-content-changed` when the type of the
 * primary child changes. The Babel transform (T5.1) wraps JSX
 * conditionals with `<TraceSlot id="file:line:conditional">{...}</TraceSlot>`.
 */
export declare function TraceSlot(props: TraceSlotProps): ReactNode;