import { FileTypeInputUnion, InputFileInputUnion } from '../inputs';
import { ErrorUnion, FileUnion } from '../outputs';
/**
 * Asynchronously uploads a file to the cloud without sending it in a message. updateFile
 * will be used to notify about upload progress and successful completion of the upload.
 * The file will not have a persistent remote identifier until it will be sent in a
 * message
 * @param {Object} params
 * @param {InputFileInputUnion} [params.file] - File to upload
 * @param {FileTypeInputUnion} [params.fileType] - File type
 * @param {number} [params.priority] - Priority of the upload (1-32). The higher
 * the priority, the earlier the file will be uploaded. If the priorities of two files
 * are equal, then the first one for which uploadFile was called will be uploaded first
 * @param {Object} state
 * @returns {FileUnion | ErrorUnion}
 */
export declare type UploadFileMethod = <ResponseT = FileUnion>(params: UploadFileParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface UploadFileParams {
    /** File to upload */
    file?: InputFileInputUnion;
    /** File type */
    fileType?: FileTypeInputUnion;
    /**
     * Priority of the upload (1-32). The higher the priority, the earlier the file will
     * be uploaded. If the priorities of two files are equal, then the first one for which
     * uploadFile was called will be uploaded first
     */
    priority?: number;
}