import { IExecuteFunctions, INodeExecutionData } from "n8n-workflow";
import { ResourceHandlerBase } from "./ResourceHandlerBase";
import { IResourceHandlerOptions } from "./ResourceHandlerFactory";
/**
 * Upload Resource Handler - Handles file upload operations
 * Based on Bitrix24 Files API: https://apidocs.bitrix24.com/api-reference/files/how-to-upload-files.html
 */
export declare class UploadResourceHandler extends ResourceHandlerBase {
    constructor(executeFunctions: IExecuteFunctions, returnData: INodeExecutionData[], options?: IResourceHandlerOptions);
    process(): Promise<INodeExecutionData[]>;
    /**
     * Upload file to a specific folder (disk.folder.uploadfile)
     */
    private handleUploadToFolder;
    /**
     * Basic file upload (disk.file.upload)
     */
    private handleUploadFile;
    /**
     * Upload new version of existing file (disk.file.uploadversion)
     */
    private handleUploadVersion;
    /**
     * Upload file to storage (disk.storage.uploadfile)
     */
    private handleUploadToStorage;
    /**
     * Upload file to CRM entity (crm.*.file.upload)
     */
    private handleUploadToCrm;
}