n handleCommonAnnotation(meetingId, whiteboardId, userId, annotation) {   const {     id, status, annotationType, annotationInfo, wbId, position,   } = annotation;    const selector = {     meetingId,     id,     userId,   };    const modifier = {     $set: {       whiteboardId,       meetingId,       id,       status,       annotationType,       annotationInfo,       wbId,     },     $setOnInsert: {       position,     },     $inc: { version: 0 },   };    return { selector, modifier }; }  function handleTextUpdate(meetingId, whiteboardId, userId, annotation) {   const {     id, status, annotationType, annotationInfo, wbId, position,   } = annotation;    const 