import type { PromoteResult } from "../../types.js";
/**
 * Promote the current version to a label. With `dropPrevious`, behave like
 * moving a git branch: the displaced label is hidden, but its version row,
 * entries, and ancestor links are retained so the promoted version can still
 * expose history through its parent chain.
 */
export declare const promoteTo: <TFs>(ctx: import("./context.js").FilesystemOpsContext<TFs>, label: string, opts?: {
    dropPrevious?: boolean;
}) => Promise<PromoteResult>;
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