import { UploadResult, ProcessedFile } from '../types/submit.types.js';
export interface PinMetadata {
    name?: string;
    keyvalues?: Record<string, string | number | Date | null | undefined>;
}
export declare class PinataService {
    private pinataJwt;
    private semaphore;
    private rateLimiter;
    private requestCount;
    private lastCountReset;
    private readonly pinataApiUrl;
    constructor(pinataJwt: string, _pinataSecretApiKey?: string, maxConcurrentUploads?: number, rateLimitPerMinute?: number);
    private processUpload;
    /**
     * Internal method to upload a single file's content to Pinata v2 API (CID v0).
     * Includes retry logic.
     */
    private uploadFileInternal;
    uploadFile(data: Buffer, metadata: PinMetadata): Promise<UploadResult>;
    uploadBatch(files: (ProcessedFile & {
        binaryData?: Buffer;
        metadata?: any;
    })[]): Promise<UploadResult[]>;
    /**
     * Track request count and log statistics
     */
    private trackRequest;
    /**
     * Recursively get all files in a directory
     * @param dir - Directory path
     * @returns Array of file paths
     */
    private getAllFiles;
    /**
     * Get relative path from base directory
     * @param base - Base directory path
     * @param file - File path
     * @returns Relative path with only parent directory and filename
     */
    private getRelativePath; /**
     * Upload an entire directory to Pinata, preserving the directory structure.
     * @param directoryPath - The absolute path to the directory to upload
     * @param metadata - Optional metadata for the upload
     * @returns UploadResult with the CID of the uploaded directory
     */
    uploadDirectory(directoryPath: string, metadata?: PinMetadata): Promise<UploadResult>;
}
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