Cannot import mergeVertices from BufferGeometryUtils

Hi, I am trying to use SimplifyModifier from here:

but, when I import the BufferGeometryUtils, it showed an error:
Attempted import error: ‘mergeVertices’ is not exported from ‘three/examples/jsm/utils/BufferGeometryUtils’ (imported as ‘BufferGeometryUtils’).

anyone know what the issue with this?


oh, it solved!

I take the buffergeometryutils from here:
from this: