import { Chatlog } from '../chat';
import { AsyncCommandResult, CommandResult } from '../request';
import { FixedWriteStream } from '../stream';
export interface MediaMetadata {
    /**
     * Media name
     */
    readonly name: string;
    /**
     * Media width (only photo, video)
     */
    readonly width?: number;
    /**
     * Media height (only photo, video)
     */
    readonly height?: number;
    /**
     * File extension (Optional. Required when sending file)
     */
    readonly ext?: string;
}
export interface MediaUploadForm {
    /**
     * Size of media data
     */
    readonly size: number;
    /**
     * Checksum of media data (sha1)
     */
    readonly checksum: string;
    /**
     * Media metadata
     */
    readonly metadata: MediaMetadata;
}
export interface MediaPostEntry {
    /**
     * Start offset of media data.
     */
    offset: number;
    /**
     * Write stream
     */
    stream: FixedWriteStream;
}
export interface MediaMultiPostEntry extends MediaPostEntry {
    /**
     * Finish current media upload and close media stream.
     */
    finish(): AsyncCommandResult;
}
export interface MediaPost extends MediaPostEntry {
    /**
     * Finish media upload and close media stream.
     */
    finish(): AsyncCommandResult<Chatlog>;
}
export interface MediaMultiPost {
    /**
     * Media post entries. Ordered same as given UploadForm list.
     * Each loop will create connection for n-th UploadForm.
     */
    entries: AsyncIterableIterator<CommandResult<MediaMultiPostEntry>>;
    /**
     * Finish all media uploads and send to channel.
     */
    finish(): AsyncCommandResult<Chatlog>;
}