The method startRecordVideo of the plugin cordova-plugin-camera-preview doesn't exist

i want to record video from camera phone in ionic,i tried the methode startRecordVideo as it have been discribed in https://github.com/cordova-plugin-camera-preview/cordova-plugin-camera-preview
but typescript in my editor says that proprety doesn’t exist ,any help please!!

Same here. Any fixes, updates?