/**
 * Session bootstrap logic extracted from index.ts.
 *
 * Handles lazy session initialization, SDK session lookup,
 * and forked child copying. Reduces index.ts LOC count.
 *
 * @module session-tracker/bootstrap
 */
import type { OpenCodeClient } from "../../shared/session-api.js";
import type { SessionWriter } from "./persistence/session-writer.js";
import type { ProjectIndexWriter } from "./persistence/project-index-writer.js";
import type { SessionIndexWriter } from "./persistence/session-index-writer.js";
/**
 * Manages session bootstrap operations: lazy directory creation,
 * SDK session lookup, and forked child inheritance.
 */
export declare class SessionBootstrap {
    private client;
    private projectRoot;
    private sessionWriter;
    private projectIndexWriter;
    private sessionIndexWriter;
    /**
     * @param deps - Injected dependencies.
     */
    constructor(deps: {
        client: OpenCodeClient;
        projectRoot: string;
        sessionWriter: SessionWriter;
        projectIndexWriter: ProjectIndexWriter;
        sessionIndexWriter: SessionIndexWriter;
    });
    /**
     * Lazy-bootstraps a session that was created before the harness loaded.
     *
     * Creates the session directory, initializes the `.md` file, and registers
     * the session in the project index. Idempotent — skips if already bootstrapped.
     *
     * @param sessionID - The session identifier to bootstrap.
     * @param bootstrappedSessions - Set tracking already-bootstrapped sessions.
     * @returns Promise that resolves when bootstrap is complete.
     */
    ensureSessionReady(sessionID: string, bootstrappedSessions: Set<string>): Promise<void>;
    /**
     * Safely retrieves a session via the SDK client without throwing.
     *
     * @param sessionID - The session identifier to look up.
     * @returns The session object, or `undefined` if not found.
     */
    getSessionSafely(sessionID: string): Promise<unknown>;
    /**
     * Reference-copies child delegation records from a parent session to
     * a newly-forked session. Both sessions share the same child .json files
     * (reference-copy, not deep-copy) to prevent split-brain data divergence.
     *
     * @param newSessionID - The newly created forked session ID.
     * @param parentID - The parent session ID to inherit children from.
     */
    copyForkedChildren(newSessionID: string, parentID: string): Promise<void>;
}
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