documentAttributeImageSize#6c37c15c w:int h:int = DocumentAttribute;
documentAttributeAnimated#11b58939 = DocumentAttribute;
documentAttributeSticker#6319d612 flags:# mask:flags.1?true alt:string stickerset:InputStickerSet mask_coords:flags.0?MaskCoords = DocumentAttribute;
documentAttributeVideo#43c57c48 flags:# round_message:flags.0?true supports_streaming:flags.1?true nosound:flags.3?true duration:double w:int h:int preload_prefix_size:flags.2?int video_start_ts:flags.4?double video_codec:flags.5?string = DocumentAttribute;
documentAttributeAudio#9852f9c6 flags:# voice:flags.10?true duration:int title:flags.0?string performer:flags.1?string waveform:flags.2?bytes = DocumentAttribute;
documentAttributeFilename#15590068 file_name:string = DocumentAttribute;
documentAttributeHasStickers#9801d2f7 = DocumentAttribute;
documentAttributeCustomEmoji#fd149899 flags:# free:flags.0?true text_color:flags.1?true alt:string stickerset:InputStickerSet = DocumentAttribute;
No method returns this type directly.