/**
 * @license
 * Copyright 2025 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import { JsonSchema } from "@workglow/util/schema";
import { IKvStorage } from "./IKvStorage";
import { KvStorage } from "./KvStorage";
export declare const FS_FOLDER_KV_REPOSITORY: import("@workglow/util").ServiceToken<IKvStorage<string, any, any>>;
/**
 * Key-value repository that stores each value as a file in a folder, using
 * a caller-supplied `pathWriter` to map keys to relative paths.
 */
export declare class FsFolderKvStorage<Key extends string = string, Value = any, Combined = {
    key: Key;
    value: Value;
}> extends KvStorage<Key, Value, Combined> {
    folderPath: string;
    pathWriter: (key: Key) => string;
    constructor(folderPath: string, pathWriter: (key: Key) => string, keySchema?: JsonSchema, valueSchema?: JsonSchema);
    private setupDirectory;
    put(key: Key, value: Value): Promise<void>;
    putBulk(items: Array<{
        key: Key;
        value: Value;
    }>): Promise<void>;
    /** Parallel single-file reads; missing keys are dropped from the result. */
    getBulk(keys: readonly Key[]): Promise<Combined[]>;
    get(key: Key): Promise<Value | undefined>;
    delete(key: Key): Promise<void>;
    getAll(): Promise<Combined[] | undefined>;
    deleteAll(): Promise<void>;
    size(): Promise<number>;
}
//# sourceMappingURL=FsFolderKvStorage.d.ts.map