import type { SchemeStorageAdapter, SchemeSyncDataDto, SchemeStorageConfig, ColumnScheme, QueryScheme } from './schemeStorageAdapter';
/**
 * LocalStorage 适配器配置
 */
export interface LocalStorageAdapterConfig extends SchemeStorageConfig {
    /** 存储键名前缀，默认 'ag-grid-plus-schemes' */
    storageKey?: string;
}
/**
 * LocalStorage 方案存储适配器
 *
 * 特点:
 * - 所有数据存储在单个 localStorage key 中
 * - 支持细粒度的 CRUD 操作
 * - 操作立即生效
 * - 适用于离线或无后端场景
 *
 * 数据格式:
 * - 使用扩展的列配置格式 (columnConfig: FlatColumnItem[])
 * - 包含列分组层级结构
 * - 完整保存在 localStorage 中
 */
export declare class LocalStorageSchemeAdapter implements SchemeStorageAdapter {
    private readonly STORAGE_KEY;
    private readonly enableDebugLog;
    constructor(config?: LocalStorageAdapterConfig);
    /**
     * 日志输出
     */
    private log;
    /**
     * 从 localStorage 读取所有数据
     */
    private readData;
    /**
     * 写入数据到 localStorage
     */
    private writeData;
    loadAllSchemes(): Promise<SchemeSyncDataDto>;
    saveColumnScheme(gridId: string, scheme: ColumnScheme): Promise<ColumnScheme>;
    deleteColumnScheme(gridId: string, schemeId: string): Promise<void>;
    saveQueryScheme(gridId: string, scheme: QueryScheme): Promise<QueryScheme>;
    deleteQueryScheme(gridId: string, schemeId: string): Promise<void>;
    setCurrentScheme(gridId: string, columnSchemeId: string | null, querySchemeId: string | null): Promise<void>;
    /**
     * 将方案应用到全局
     * LocalStorage 实现: 将方案标记为 isGlobal=true
     * @author nokecy
     */
    applyToGlobal(gridId: string, schemeId: string): Promise<string>;
    /**
     * 重置为全局配置
     * LocalStorage 实现: 清除当前方案选择，让其回退到全局方案
     * @author nokecy
     */
    resetToGlobal(gridId: string): Promise<void>;
    /**
     * 重置所有用户配置
     * LocalStorage 实现: 删除所有非全局方案，清除当前方案选择
     * @author nokecy
     */
    resetAllUsers(gridId: string): Promise<void>;
    /**
     * 清除所有数据
     */
    clearAll(): void;
    /**
     * 获取存储大小(字节)
     */
    getStorageSize(): number;
}
/**
 * 默认的 LocalStorage 适配器实例
 */
export declare const defaultLocalStorageAdapter: LocalStorageSchemeAdapter;