import Credentials from './models/credentials';
export type ContentType = 'application/vnd.android.package-archive' | 'application/octet-stream' | 'application/zip';
export interface UploadOptions {
    filePath: string;
    url: string;
    credentials: Credentials;
    contentType: ContentType;
    showProgress?: boolean;
    checksum?: string;
    /** Validate that the file is a valid zip-based archive (APK, IPA, ZIP) */
    validateZipFormat?: boolean;
}
export interface UploadResult {
    id: number;
    app_url?: string;
}
export default class Upload {
    upload(options: UploadOptions): Promise<UploadResult>;
    private drawProgressBar;
    /**
     * Format file size in human-readable format (KB for small files, MB for larger)
     */
    private formatFileSize;
    /**
     * Format seconds as compact duration: "12s" or "3m04s".
     */
    private formatDuration;
    private validateFile;
    /**
     * Validate that the file is a valid zip-based archive.
     * ZIP, APK, IPA files all start with the ZIP magic bytes (PK\x03\x04).
     */
    private validateZipFormat;
    /**
     * Extract error message from server response data
     */
    private extractErrorMessage;
    /**
     * Calculate MD5 checksum of a file, returning base64-encoded result
     * This matches ActiveStorage's checksum format
     */
    calculateChecksum(filePath: string): Promise<string>;
}
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