/**
 * Printify upload service for Printify MCP
 */
import { PrintifyAPI } from '../printify-api.js';
/**
 * Determine the source type of an image input
 */
export declare function determineImageSourceType(source: string): 'url' | 'file' | 'base64';
/**
 * Upload an image to Printify from various sources
 */
export declare function uploadImageToPrintify(printifyClient: PrintifyAPI, fileName: string, source: string): Promise<{
    success: boolean;
    image: any;
    response: {
        content: {
            type: string;
            text: string;
        }[];
    };
    error?: undefined;
    errorResponse?: undefined;
} | {
    success: boolean;
    error: any;
    errorResponse: {
        content: {
            type: string;
            text: string;
        }[];
        isError: boolean;
    };
    image?: undefined;
    response?: undefined;
}>;