import type { Amount } from './Amount';
import type { GenericAbortSignal } from './GenericAbortSignal';
import type { GenericFile } from './GenericFile';
/**
 * Defines the interface for an uploader.
 * It allows us to upload files and get their URIs.
 *
 * @category Context and Interfaces
 */
export interface UploaderInterface {
    /** Uploads multiple files and returns their URIs. */
    upload: (files: GenericFile[], options?: UploaderUploadOptions) => Promise<string[]>;
    /** Uploads a JSON object and returns its URI. */
    uploadJson: <T>(json: T, options?: UploaderUploadOptions) => Promise<string>;
    /** Gets the price to upload a list of files. */
    getUploadPrice: (files: GenericFile[], options?: UploaderGetUploadPriceOptions) => Promise<Amount>;
}
/**
 * The options that can be passed when fetching the upload price.
 * @category Storage
 */
export type UploaderGetUploadPriceOptions = {
    signal?: GenericAbortSignal;
};
/**
 * The options that can be passed when uploading files.
 * @category Storage
 */
export type UploaderUploadOptions = {
    onProgress?: (percent: number, ...args: any) => void;
    signal?: GenericAbortSignal;
    manifest?: boolean;
};
/**
 * An implementation of the {@link UploaderInterface} that throws an error when called.
 * @category Storage
 */
export declare function createNullUploader(): UploaderInterface;