export interface HumanForkCoordinates {
    sourceFile: string;
    sourceSessionId: string;
    leafId: string;
}
/**
 * Materialize one immutable root-to-leaf Pi session branch without touching the
 * source broker's manager. The SDK creates its branch in the supplied session
 * directory, so opening the source through a detached manager directs the staged
 * file straight into the ticket directory. Publication is an exclusive hard link:
 * an existing destination is never read or replaced.
 */
export declare function materializeSessionBranchAt(coordinates: HumanForkCoordinates, destination: string): void;