access openPopup from marker ref

So I wanted to open a specific popup based on a prop change in Nuxt, however after looking for some time I found no way to access the openPopup function from either the Marker or Popup ref. This is my structure(ignore the red squigly line thats just eslint)  and this is the way I tried accessing the openPopup method  However I could not find the method anywhere in the ref. Am I not understaing something or is the method just not accesible from there? Thanks in advance