export interface LocatedHandoff {
    path: string;
    content: string;
    generatedAt: string | null;
    loopPosition: string | null;
}
export declare function readKey(content: string, key: string): string | null;
/** Resolve the freshest SESSION doc. Prefers `lastHandoff` when its file exists;
 *  otherwise globs `SESSION-*.md` and ranks by generated_at → filename → mtime. */
export declare function locateFreshestHandoff(root: string, lastHandoff: string | null): Promise<LocatedHandoff | null>;
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