import type { HTMLAttributes } from "react";
/**
 * MessageBranchSelector — controlled navigator across alternative message
 * branches (e.g. regenerated responses): "‹ 2 / 5 ›" with prev/next buttons.
 *
 * Fully controlled (M19 ADR D3): the consumer owns `index` and reacts to
 * `onPrev` / `onNext`; regenerate / streaming is a platform concern, not the DS.
 * Prev is disabled at the first branch, next at the last. With a single branch
 * (`count <= 1`) there is nothing to navigate, so it renders nothing.
 *
 *   <MessageBranchSelector index={i} count={branches.length}
 *     onPrev={() => setI(i - 1)} onNext={() => setI(i + 1)} />
 */
export interface MessageBranchSelectorProps extends Omit<HTMLAttributes<HTMLDivElement>, "onChange"> {
    /** Zero-based index of the active branch. */
    index: number;
    /** Total number of branches. */
    count: number;
    /** Navigate to the previous branch. */
    onPrev: () => void;
    /** Navigate to the next branch. */
    onNext: () => void;
    /** Disable both controls (e.g. while a branch is loading). */
    disabled?: boolean;
}
declare const MessageBranchSelector: import("react").ForwardRefExoticComponent<MessageBranchSelectorProps & import("react").RefAttributes<HTMLDivElement>>;
export { MessageBranchSelector };