def face_vert_separate(face: 'bmesh.types.BMFace', vert: 'bmesh.types.BMVert'):
    """Rip a vertex in a face away and add a new vertex. 

    :param face: The face to separate. 
    :type face: 'bmesh.types.BMFace'
    :param vert: A vertex in the face to separate. 
    :type vert: 'bmesh.types.BMVert'
    """
    pass
