/**
 * Interface for isolated plugin file and key-value storage.
 */
export interface IPluginStorage {
    get<T = any>(key: string, defaultValue?: T): Promise<T | null>;
    set<T = any>(key: string, value: T): Promise<void>;
    delete(key: string): Promise<boolean>;
    getJSON<T = any>(filename: string): Promise<T | null>;
    setJSON<T = any>(filename: string, data: T): Promise<void>;
    getPath(subpath?: string): string;
    list(subpath?: string): Promise<string[]>;
}
/**
 * Creates an isolated storage sandbox for a plugin under:
 * ~/.weavetab/plugins/<plugin-name>/
 */
export declare class PluginStorageManager implements IPluginStorage {
    readonly pluginName: string;
    private readonly pluginDir;
    private readonly configPath;
    private readonly kvStorePath;
    private inMemoryKV;
    constructor(pluginName: string);
    /**
     * Returns the absolute path to the plugin's isolated directory.
     */
    getDirectory(): string;
    /**
     * Returns the absolute path to the plugin's config.json.
     */
    getConfigPath(): string;
    private ensureDir;
    /**
     * Loads the plugin's isolated config.json. If it does not exist and a defaultConfig is provided,
     * writes the default config to ~/.weavetab/plugins/<plugin-name>/config.json.
     */
    loadConfig(defaultConfig?: Record<string, any>): Record<string, any>;
    /**
     * Saves updated configuration to ~/.weavetab/plugins/<plugin-name>/config.json.
     */
    saveConfig(configData: Record<string, any>): void;
    private loadKV;
    private persistKV;
    get<T = any>(key: string, defaultValue?: T): Promise<T | null>;
    set<T = any>(key: string, value: T): Promise<void>;
    delete(key: string): Promise<boolean>;
    getPath(subpath?: string): string;
    getJSON<T = any>(filename: string): Promise<T | null>;
    setJSON<T = any>(filename: string, data: T): Promise<void>;
    list(subpath?: string): Promise<string[]>;
}