import { initClient } from 'messagebird'; const mbClient = initClient(''); mbClient.voice_messages.list(100, 0, ( // $ExpectType Error | null err, // $ExpectType VoiceMessage[] | null voiceMessages ) => {}); mbClient.voice_messages.read('', ( // $ExpectType Error | null err, // $ExpectType VoiceMessage | null voiceMessage ) => {}); mbClient.voice_messages.create( { originator: '', recipients: [3161234567, '3161234567'], body: '' }, ( // $ExpectType Error | null err, // $ExpectType VoiceMessage | null message ) => {} ); mbClient.voice_messages.create( [3161234567, '3161234567'], { originator: '', body: '' }, ( // $ExpectType Error | null err, // $ExpectType VoiceMessage | null message ) => {} );