import { StorageRepository } from "./StorageRepository.js";
/**
 * R2-compatible bucket interface (Cloudflare Workers binding).
 */
export interface R2Bucket {
    put(key: string, value: string | ArrayBuffer | ReadableStream): Promise<void>;
    get(key: string): Promise<R2ObjectBody | null>;
    delete(key: string): Promise<void>;
    list(options?: {
        prefix?: string;
    }): Promise<R2Objects>;
}
/**
 * Represents an object retrieved from R2.
 */
export interface R2ObjectBody {
    body: ReadableStream;
    text(): Promise<string>;
    arrayBuffer(): Promise<ArrayBuffer>;
}
/**
 * Represents the result of listing objects in an R2 bucket.
 */
export interface R2Objects {
    objects: {
        key: string;
    }[];
}
/**
 * R2Repository: A StorageRepository implementation for Cloudflare R2.
 */
export declare class R2Repository implements StorageRepository {
    private bucket;
    private prefix?;
    constructor(bucket: R2Bucket, prefix?: string | undefined);
    /**
     * Adds a namespace prefix to keys (if specified).
     */
    private buildKey;
    /**
     * Lists file paths in the R2 bucket under a given prefix.
     *
     * Supports wildcard patterns by trimming after `*`.
     *
     * @param prefix - Path prefix or glob (e.g. "content/*.md").
     * @returns Sorted list of matching object keys.
     */
    listFiles(prefix: string): Promise<string[]>;
    /**
     * Reads the content of a file from R2.
     *
     * @param path - Key within the bucket.
     * @returns File content as string; empty string if not found.
     */
    readFile(path: string): Promise<string>;
    /**
     * Opens a file as a ReadableStream from Cloudflare R2.
     *
     * @param path - Key within the bucket.
     * @returns ReadableStream of the file contents.
     * @throws Error if the object does not exist.
     */
    openFileStream(path: string): Promise<ReadableStream>;
    /**
     * Writes data to the R2 bucket.
     *
     * @param path - Key to write.
     * @param data - Content to write.
     */
    writeFile(path: string, data: string): Promise<void>;
    /**
     * Checks if the specified file exists in the R2 bucket.
     *
     * @param path - Key to check.
     * @returns `true` if it exists, `false` otherwise.
     */
    exists(path: string): Promise<boolean>;
    /**
     * Deletes the specified file from the R2 bucket.
     *
     * @param path - Key to delete.
     */
    removeFile(path: string): Promise<void>;
    /**
     * Deletes the specified file from the R2 bucket.
     *
     * @param path - Key to delete.
     */
    removeDir(path: string): Promise<void>;
}