RichBlockVoiceNoteinterfaceA block with a voice note, corresponding to the HTML tag .Declarationinterface RichBlockVoiceNote Propertiescaptionproperty#caption?: RichBlockCaption;Optional. Caption of the blocktypeproperty#type: 'voice_note';Type of the block, always "voice_note"voice_noteproperty#voice_note: Voice;The voice note