import type { AutoSyncOptions } from './auto-sync.js';
export interface LaunchOnMountOptions {
    /** Binary name or absolute path to the CLI to spawn, e.g. 'claude'. */
    cli: string;
    /** The real project directory to mirror. */
    projectDir: string;
    /** Where to create the mount. Must differ from projectDir. */
    mountDir: string;
    /** Argv to pass to the CLI after its binary name. */
    args: string[];
    /** Glob-style ignore patterns (files excluded entirely from the mount). */
    ignoredPatterns?: string[];
    /** Glob-style readonly patterns (files copied with mode 0o444). */
    readonlyPatterns?: string[];
    /** Extra directory names to exclude from the mount on top of defaults. */
    excludeDirs?: string[];
    /** Extra env vars merged on top of `process.env`. */
    env?: NodeJS.ProcessEnv;
    /** Optional agent name, used in the _MOUNT_README.md "Agent:" line. */
    agentName?: string;
    /**
     * Invoked after the mount is created but before the CLI is spawned.
     * Useful for writing additional files into the mount (overrides, extra docs).
     */
    onBeforeLaunch?: (mountDir: string) => void | Promise<void>;
    /**
     * Invoked after sync-back completes, before cleanup. Receives the total
     * number of file changes propagated during the run — the sum of autosync
     * activity in both directions (including deletes) and the final mount→
     * project syncBack. Use this as an "anything changed?" signal rather than
     * a strict mount→project count.
     */
    onAfterSync?: (syncedFileCount: number) => void | Promise<void>;
    /**
     * Auto-sync behavior. By default, bidirectional auto-sync runs during the
     * lifetime of the spawned CLI. Pass `false` to disable, or an options object
     * to tune the scan interval / write-finish debounce.
     */
    autoSync?: boolean | AutoSyncOptions;
}
export interface LaunchOnMountResult {
    exitCode: number;
}
/**
 * Create a mount of `projectDir` at `mountDir`, spawn `cli` with `args` using
 * the mount as its cwd, forward SIGINT/SIGTERM to the child, sync writable
 * changes back on exit, then clean up the mount. Resolves with the child's
 * exit code.
 */
export declare function launchOnMount(opts: LaunchOnMountOptions): Promise<LaunchOnMountResult>;