import type { CheckpointScope, SessionCheckpointStore } from '../../../store/checkpoint/index.js';
import type { CheckpointListEntry } from '../../../types/session/fork.js';
export interface ListCheckpointsInput {
    /** The store the turn's checkpoints are in. */
    readonly checkpointStore: SessionCheckpointStore;
    /** The turn whose checkpoints are listed, across the full attribution. */
    readonly scope: CheckpointScope;
}
/**
 * Read-only listing of a turn's checkpoints, to pick a fork point for
 * {@link import('./prepare.js').prepareForkState}. Returns the public
 * {@link CheckpointListEntry} projection, oldest first.
 */
export declare function listCheckpoints(input: ListCheckpointsInput): Promise<CheckpointListEntry[]>;
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