import { type Template, type TemplateStorage } from '@lit-pigeon/core';
export interface FsTemplateStorageOptions {
    /**
     * Directory in which template JSON files live.
     * Defaults to `~/.lit-pigeon/templates`.
     */
    dir?: string;
    /**
     * When true (default), seed the directory with the built-in starter templates
     * — but only if the directory is empty. Existing user files are never
     * overwritten.
     */
    includeStarters?: boolean;
    /**
     * Additional templates to seed alongside the starters (also only when the
     * directory is empty).
     */
    seed?: Template[];
}
/**
 * Filesystem-backed `TemplateStorage` — one JSON file per template under a
 * configurable directory (default `~/.lit-pigeon/templates`).
 *
 * Designed to be drop-in compatible with `InMemoryTemplateStorage`, so the
 * MCP server can persist user-saved templates across restarts.
 */
export declare class FsTemplateStorage implements TemplateStorage {
    readonly dir: string;
    private readonly includeStarters;
    private readonly initialSeed;
    /** Promise that resolves once the (lazy) initial seeding has completed. */
    private seedPromise;
    constructor(opts?: FsTemplateStorageOptions);
    /**
     * Ensure the directory exists and, if empty, drop the starter templates in.
     * Idempotent and lazy — runs once per instance, on the first mutating or
     * reading call. Re-entrant: subsequent calls await the same promise.
     */
    private ensureSeeded;
    private filePath;
    private writeFile;
    private readFile;
    list(): Promise<Template[]>;
    get(id: string): Promise<Template | null>;
    save(template: Template): Promise<void>;
    delete(id: string): Promise<void>;
}
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