import { ErrorUnion, OkUnion } from '../outputs';
/**
 * Writes a part of a generated file. This method is intended to be used only if the
 * client has no direct access to TDLib's file system, because it is usually slower
 * than a direct write to the destination file
 * @param {Object} params
 * @param {string} [params.generationId] - The identifier of the generation process
 * @param {number} [params.offset] - The offset from which to write the data to the
 * file
 * @param {string} [params.data] - The data to write
 * @param {Object} state
 * @returns {OkUnion | ErrorUnion}
 */
export declare type WriteGeneratedFilePartMethod = <ResponseT = OkUnion>(params: WriteGeneratedFilePartParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface WriteGeneratedFilePartParams {
    /** The identifier of the generation process */
    generationId?: string;
    /** The offset from which to write the data to the file */
    offset?: number;
    /** The data to write */
    data?: string;
}