import { type CheckpointCodecOptions, type CheckpointStatus, type GitHubComment } from './codec.mts';
export type CheckpointUpdateContext = {
    actor: string;
    commentId: number;
    headRef: string;
    headSha: string;
    pr: number;
    repository: string;
    runId: string;
    triggerCommentId: number;
};
export declare function updateExactCheckpoint(comment: GitHubComment, context: CheckpointUpdateContext, status: Extract<CheckpointStatus, 'failed' | 'running'>, session: {
    id?: string;
    url?: string;
}, options?: CheckpointCodecOptions): string;