interface JumpToLatestButtonProps {
    readonly onClick: () => void;
    readonly visible: boolean;
}
/**
 * Floating action button that scrolls the thread to the latest content.
 * Always mounted in the DOM to support enter/exit CSS transitions.
 * Hidden via opacity + pointer-events when `visible` is false.
 *
 * @internal Not part of the public API.
 */
export declare function JumpToLatestButton({ onClick, visible }: JumpToLatestButtonProps): import("react/jsx-runtime").JSX.Element;
export {};
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