import { type SessionApi, type SessionMetadata, type SessionRepo, type SessionTreeEntry } from "../harness/types.js";
export declare class InMemorySessionRepo implements SessionRepo<SessionMetadata, {
    id?: string;
}> {
    private sessions;
    create(options?: {
        id?: string;
    }): Promise<SessionApi>;
    open(metadata: SessionMetadata): Promise<SessionApi>;
    list(): Promise<SessionMetadata[]>;
    delete(metadata: SessionMetadata): Promise<void>;
    fork(sourceMetadata: SessionMetadata, options: {
        entryId?: string;
        position?: "before" | "at";
        id?: string;
    }): Promise<SessionApi>;
    /** 2c session-sync ([266]②): the FULL log for export. InMemory holds everything (no F3 floor), so
     *  `getEntries()` IS the full oldest-first log with `id`/`parentId` verbatim. */
    exportEntries(sessionId: string): Promise<SessionTreeEntry[]>;
    /** 2c session-sync ([266]②): import a verbatim log into `sessionId`. The single invariant gate runs first
     *  ({@link validateEntriesForImport}, fail-closed); `owner` is a durable multi-tenant concept that the local
     *  in-memory backend has no field for, so it is accepted but unused here. */
    importEntries(sessionId: string, owner: string | undefined, entries: SessionTreeEntry[]): Promise<void>;
}
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